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The Bulletin of the Canadian Association of Physicists Volume 25, No. 6 September 1,1969 Bulletin de l'Association canadienne des physiciens Volume 25, No. 6 er Septembre 1969

Transcript of The Bulletin of the Canadian Association · The Bulletin of the Canadian Association of Physicists...

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The Bulletin of the Canadian Association of Physicists

Volume 25, No. 6 September 1,1969

Bulletin de l'Association canadienne des physiciens

Volume 25, No. 6 er Septembre 1969

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I t C / l RESEARCH IN PHYSICS

PLASMA AND SPACE PHYSICS Interaction of plasmas with electromagnetic and magnetic fields, including simulation of geophysical and space phenomena, space experiment design and analysis, fundamental plasma studies and plasma diagnostics.

OPTICAL & MICROWAVE PHYSICS Quantum electronics and coherent optical phenomena, lasers, microwave, infrared and optical propagation, holography and high resolution imaging techniques, antennas, reentry physics.

SEMICONDUCTOR ELECTRONICS Nuclear particle, gamma, X-ray, and optical (laser) radiation detectors, in-teractions between defects and semiconductors, device applications using avalanche multiplication, semiconductor circuit device analysis, development and evaluation of integrated circuits for use at microwave frequencies.

SYSTEMS & APPLICATIONS RESEARCH Systems in theoretical studies on potential applications of new devices, prin-ciples, or techniques. Development or analysis of communications in aerospace and military systems. Research and development on circuits for digital com-munications, single sideband, etc.

Applications are invited from physicists and engineering physicists who are in-terested in a career in pure or applied research.

RCA ' d R E S E A R C H O R I F S

DR. M. P. BACHYÎ SK )r of I 'Search

ÎOO.1 Le Jir Street Montr a. 207, Quebec

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The Bulletin of the Canadian Association of Physicists

Volume 25, No. 6, September 1,1969

Physics in Canada

Bulletin de l 'Association canadienne des physiciens

Volume 25, N o 6,1er Septembre 1969

La Physique au Canada

EDITOR: E. W. Vogt ASSOCIATE EDITOR: J . - L . M e u n i e r

EDITORIAL BOARD: J . B i c h a r d ,

F. W. Dalby, J. M. McMillan

EDITORIAL ADDRESS: Department of Physics, University of British Columbia, Vancouver 8, B.C.

ADVERTISING University of Toronto Press, Front Campus, Toronto.

Published for the Canadian Association of Physicists by the University of Toronto Press

SUBSCRIPTION RATE: $6.00 per year (6 issues)

SUBSCRIPTIONS A N D C H A N G E O F ADDRESS Canadian Association of Physicists, Suite 903, 151 Slater St., Ottawa 4, Ontario. Phone 613-237-3392.

Editorial

Letter to the Editor

Maturity or Perpetual Adolescence? by M. P. Bacliynski

74

74

75

The 15th Medal for Achievement in Physics, 1969/ Médaille pour contribution exceptionnelle à la physique 79

In Profile: Donald D. Betts by A. B. Bhatia and II. Scliiff

Science Policy Symposium (Waterloo) by E. W. Vogt

C.A P. Affairs/Affaires de I'A.C.P.

s / N . jvelles

iii-T Physicists/Physiciens canadiens

81

83

84

85

86

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EDITORIAL

Let's March for the N.R.C. Laboratories At the annual meeting in Waterloo Senator Allister Grosar t exhorted Canadian scientists to initiate a "farmers ' march" on Ottawa on behalf of urgent mat-ters in science policy.* Perhaps one of the very first such urgent matters which could galvanize Canadian scientists into common action is the need to revitalize the laboratories of the N.R.C.

The N.R.C. laboratories, long a major bastion of Canadian science, have fallen on difficult days. For several years, while university grant funds grew great-ly, the laboratory budget (determined by a separate vote from the N.R.C. university grant funds) re-mained very nearly constant. The actual funds for re-search declined instead of growing. In this situation morale declined, as Dr. Alex Douglas eloquently de-scribed it on the same panel in which Senator Grosart made his remarks, and the laboratories have lost per-sonnel instead of initiating new programmes.

Confronted with budgetary problems for its labora-tories, N.R.C. appeared to be in further jeopardy. On the one hand the Science Council (in its Report -No. 4 ) proposes that major programs be initiated according to Canada ' s social and economic needs and, on the other hand, the MacDonald report recommended splitting the N.R.C. Laboratories f rom the university granting function. Dr. Douglas has vigorously attacked the former and the N.R.C. Presi-dent, Dr. W. Schneider has vigorously attacked the latter.

In our view both attacks are unnecessary and both aggravate the budgetary problems rather than amelio-rate them. We do not read the Science Council 's re-port as constituting a threat to research initiative or to the traditional strong place of basic research in Canada. Neither do we view the proposed separation of laboratories f rom university grants as an attack on the traditions and strengths of N.R.C. - it is an evolu-tionary and inevitable step whose timing is subject to debate, N.R.C.'S critics, imagined or otherwise, are far outnumbered by N.R.C.'S friends. What the N.R.C. laboratories need are positive statements about the plans to maintain and strengthen the position of the laboratories in Canadian Science.

*A description of the session in which Senator Grosar t spoke is given below.

T h e friends of N.R.C. include the physics com-munity of Canada as was demonstrated at the annual business meeting of the C.A.P. in Waterloo. The meeting unanimously passed the following motion: "I t is a matter of the highest priority for Canadian science that the quality of the laboratories of the National Research Council be maintained and that, independent of whatever orientation the laboratories may acquire, they maintain a balanced research pro-gramme which includes basic research."

In galvanizing a march of Canadian scientists on behalf of the N.R.C. laboratories we believe that there are several major points on which Canadian scientists would agree. First, there is the importance of having a strong government laboratory with no direct ties to the university and industry sectors, and with a balanced research programme including basic research. Second, there is the need in Canada to maintain those scientific institutions which have proven themselves to be strong. Third, there is the need for any strong laboratory to evolve, to grow or to change, and to periodically inject new ideas and new people.

These points are a mandate to the N.R.C. labora-tories. We urge Dr. Douglas and Dr. Schneider to capitalize on them, to present positive proposals for the evolution of the N.R.C. laboratories and to lead the march of N.R.C.'S legion friends in support of a strong national laboratory programme.

E. W. VOC.T

Letter to the Editor T h e r e c e n t c h a n g e in f o r m a t of Physics in Canada s e rves to e m p h a s i z e t h e f ac t tha t t h e style a n d c o n t e n t of the p u b l i c a t i o n h a v e u n d e r g o n e little c h a n g e in m a n y yea r s . S o m e m i n o r c h a n g e s w h i c h h a v e been e f f ec t ed viz, d r o p p i n g o f t h e " P e a n u t s " c a r t o o n s a n d t h e c o m m e n t s of " C a p i u s " ( d o e s a n y o n e else r e m e m b e r t h e m ? ) h a v e on ly s u c c e e d e d in r e n d e r i n g a r a t h e r d r y m a g a z i n e even m o r e a r id .

T h e po in t is tha t Physics in Canada s h o u l d l o n g a g o h a v e ceased to be s imp ly a bu l l e t in . In a w a y it has , b u t it has no t evo lved in to the fu l ly - f l edged n e w s m a g a z i n e wh ich o n e m i g h t h a v e e x p e c t e d , p u b l i s h i n g topica l n e w s of s ign i f i cance and i m p o r t a n c e to the c o m m u n i t y of C a n a d i a n phys ic i s t s .

T h i s f u n c t i o n , i n so fa r as it h a s been se rved at all . h a s been ca r r i ed ou t by n e w s m e d i a such as Physics Today, Scientific Research, Science Forum, the grapevine, and even M a c l e a n ' s m a g a z i n e . Ye t it is no t d i f f icul t to sug-gest those c h a n g e s a n d f e a t u r e s w h i c h w o u l d c o n v e r t Physics in Canada in to an i n f o r m a t i v e , e f fec t ive , v i g o r o u s , a n d in t e re s t ing p u b l i c a t i o n .

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There is for example a place for thoughtful editorials, contributed in part by guest editors. There is a need for interpretive articles on topics of interest to Canadian physicists: abandonment of I.N.G., Science Policy, the work stoppage at M.I.T. It should not be necessary to learn from the pages of Maclean's magazine that there is a conflict between eastern and western astronomers in respect of the cancelled Queen Elizabeth II Telescope Project. There is also an urgent need for a lively Letters to the Editor section, and the editor should actively en-courage the contribution of letters by the membership. A thoroughgoing debate by the membership often serves to illuminate all aspects of specific problems and pro-posals, and also provides the membership with a sense of participation. The question of whether the Association should introduce the category of "Fellow" might well be debated in such a forum prior to a referendum.

Rapid publication of the actions of the Executive and Council in the pages of Physics in Canada would serve a useful purpose. A listing of committees and their memberships relatively soon after the annual Congress would probably be appreciated. There is after all little use in learning (from the Annual Report) of the prior existence of a committee when the forthcoming Congress is about to witness its dissolution. And how else is one to find out for example that there is a newly formed committee on the Exchange of Used Scientific Equip-ment?

Other than the above, minor improvements could be effected by the return, if possible, of the "Peanuts" car-toons, the use of the occasional colored plate, and per-haps the use of modern art on the cover. Such simple measures would do much to add a touch of drama to Physics in Canada, and to dispel the rather dull and stodgy image which the publication seems to have acquired.

This is not to say that the periodic arrival of the magazine would then be awaited with intemperate eager-ness, but there is a fair chance that it would be greeted with as much pleasure as Scientific Research and other like magazines which are now reaching our desks in increasing numbers.

J. L. WOLFSON, Department of Physics, University of Saskatchewan, Regina Campus, Regina, Sask.

Maturity or Perpetual Adolescence?* M. P. B A C H Y N S K I

I was tempted to follow the tradition of the retiring presidents of a few years back and present a dis-course on some element of my own field of research.

•Pres ident ia l Address delivered at the A n n u a l Business Meet ing of the CAP in Water loo , Onta r io , June 26, 1969.

La Physique au Canada / 75

M. P. B A C H Y N S K I

This would have been a pleasant task since one's mounting duties are inevitably such as to diminish the time available to devote to actual research and one welcomes any commitments which tend to reverse these pressures.

T h e modern trend, however, has been for the CAP presidential address to comprise somewhat of a psycho-analysis of the Association's more immediate past actions and to offer some hopefully sagacious advice in regard to the future.

Thus, in recent years the President of CAP has had to be not only an effective scientist but also a sooth-sayer of sorts and, in many instances if one looks at past addresses, even a poet. From what you have heard during the annual meeting regarding CAP'S

financial situation, it must be apparent that in future years it would be of great benefit to the association if he was a wealthy philanthropist as well.

After the past year of CAP activity, my first thought then when considering a topic for the presidential "swan song" was (with apologies to John Galbrai th) to talk to you tonight, about the "Aflluentless Soci-ety." This, I soon realized, would be too narrow an approach since it deals only with one of the problems facing the Association today. I would, however, like to continue the "current t rend" of self-appraisal of the Association. These sorts of analyses and recom-mendations are. of course, always easier to give when one is stepping aside to let others shoulder the re-sponsibilities of office.

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76 / Physics in Canada

Three years ago in his presidential address, Bob Bell, on the occasion of CAP attaining the age of 21 years, spoke about "the Problems of Adulthood." In that address Dr. Bell discussed four requirements or tasks for the Association in order to gain adulthood. It might be instructive to briefly indicate the status with regard to these.

Firstly, CAP now has a national office and a full-time Executive Director.

Secondly, CAP has separated (for this year at least) from the Learned Societies. This does not necessarily make us more or less learned but we will have shortly the results of this experiment upon which future decisions can be based.

Thirdly, CAP, as all of you are acutely aware, has raised its fees in an effort to obtain some financial resources in order to handle the tasks before us. Un-fortunately, the tasks before us have increased much more rapidly than any fee increase could tolerate.

Fourthly, Dr. Bell also spoke of, and I quote "Can we arrive at a state where our Presidency is regarded as, say, a half-time job." It is doubtful whether it will be so regarded for some time, but after the past twelve months I would seriously question as to whether this fourth requirement has not in fact been achieved!

Today, CAP is 24 years old and has behind it some three years of adult experience in the real world. This is approximately the age where the Ph.D. candidate begins to see the end in sight for his graduate work and also the threat that he will be forced into the real world perhaps to discover that the generation gap has suddenly greatly narrowed. At this time in our his-tory the real world is a turbulent one for science. We are caught up in a time of social discontent, part of which is discontentment with science. A shake-up in science policy or perhaps for the first time an attempt at formulating a science policy in Canada is in the making. There, at times, appears to be a pre-occupa-tion with science policy and a neglect of science it-self. Furthermore, these times are in coincidence with a difficult economic situation in Canada. The latter is putting undue strain on the very fibre of physics in Canada. It is creating an attitude of retrenchment in our thinking - always a bad thing for science since history has proven that even the wildest dreams of science and technology have, in due course, proven too conservative.

Although CAP reached the age corresponding to adulthood several years ago, the question before us is: W I L L IT M A T U R E ? Here, I use mature as de-fined by the Oxford dictionary to mean - "complete

in natural development: with fully developed powers of body and mind." I think you will agree with me that at this point in time, our Association is not com-plete in natural development, nor does it possess fully developed powers of thought and action. The alterna-tive to maturity for the Association is perpetual adolescence - the state of growing up, remaining be-tween childhood and adulthood. I would, therefore, like to explore how our Association can attain maturity.

Our Association can be considered as having basi-cally two responsibilities - one in regard to science, the other in regard to society. Consider first the Canadian Association of Physicists and its role in Science.

The role of the Canadian Association of Physicists in the dissemination of knowledge in physics is well established and well recognized. A valid indicator is the size and scope of the annual congress, where nearly 300 papers have been given in each of the last two years, as is the reputation of the invited speakers that we have been able to attract. The formation of specialist subject division will continue to add marked strength to the scientific activities of CAP and to the Annual Congress provided they are required to hold their meetings in conjunction with the Annual Con-gress. This does not mean that CAP could not play yet a more active role in stimulating and generating scientific meetings. I think this is particularly true for technical symposia which can be jointly sponsored with other organizations. The Institute of Electrical and Electronic Engineers and CAP have overlapping interests (solid state, plasmas, quantum electronics, applied physics) as does the Canadian Astronautics and Space Institute and CAP (space physics, plasma physics, applied physics). A number of educational associations and medical groups, as well, have com-mon interests with the corresponding subject divi-sions of CAP. Such ventures could well lead to "Affili-ated Societies" with CAP in the future.

Another area in which the role of CAP could be strengthened includes greater involvement in the representation of Canadian physics in international unions such as the International Union of Pure and Applied Physics (UPAP).

Finally, the Association must re-examine its role in scientific publications. To date we have been involved solely on a consultative basis. Whether editorial re-sponsibility and/or journal distribution should be vested with the Association needs to be given serious consideration.

Turning next to the Support of Plivsics in Canada,

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the Survey and Outlook on Physics in Canada pre-pared by CAP represents a sound initial start in our involvement with the support of physics in Canada. The major current requirement is to stimulate imple-mentation of the recommendations consistent with the changing times. In this regard the CAP has a con-tinuing role, indeed a responsibility, as the organiza-tion which should be best able to represent the physics community and hence in the best position to determine and promote the role which physics should play in Canadian science. With the dynamic pace of science there will exist a continuing need for such a function. The various science policy bodies form a focal point where the views of the Association can be heard. In performing this role CAP must face up to trying to answer hard questions. It will not be pos-sible to support all projects. We must concern our-selves with the standards of physics, with having to give preference to one area of physics over another at a given time, with the dangers of proliferation of mediocre efforts on a particular "bandwagon" and with the dangers of an "overswing" of the emphasis not from basic physics to applied physics but to entrepreneurship and the entire neglect of research in physics itself.

Examine next the CAP and its role in Canadian Society. Priorities are generally based on value stan-dards which are primarily economic or social and set by society. Now physicists are also members of soci-ety. Their professional activities are, to a large extent, funded by public monies. Arising from this CAP has at least two other responsibilities namely,

( 1 ) to relate physics to society in Canada, and (2 ) to provide certain non-scientific services to

the physicist to assist him to find his role in society.

By relating physics to society I mean determining what physics can, should and does do for Canada: trying to answer questions such as how is physics contributing to analysing and helping to solve some of the large social and economic problems; what are the connections between advances in science and the conséquences for Society. It is the responsibility of the physicists to insure that the Canadian public is informed and understands. In the context that I am using it physics and society includes physics and edu-cation at all levels (high school, technical school, university, post graduate, non-specialist, managerial, re-training, etc.), physics and government, physics and the public, history and philosophy of physics, manpower status, requirements and projections, in-formation analysis and retrieval, etc.

La Physique au Canada / 77

By non-scientific services to physicists I mean ser-vices directly linked to the livelihood of physicists such as a job placement service, career opportunities, information on opportunities available in non-physics specialties, job counselling to high schools and ani-versities, etc.

It is these elements of science and society which determine the degree of maturity of a science in Can-ada and, in particular, its Canadian identity. The social development of modern physics and its intel-lectual and economic impact on Canadian society should be of vital concern.

These socio-scientific functions are even more im-portant to the development of a Canadian science than the publications and meetings functions dis-cussed earlier. The Canadian scientific community, due to the magnitude of research conducted in the United States which is of such close geographic proximity and the ease of access, must attend Ameri-can meetings, study American publications, and, if they want their work widely read (and accepted in Canada) publish in u.s. journals. If the only function a Canadian scientific society offered its members were journal publication and the organization of meetings, it would have considerably less to offer than its U.S. counterpart and hence Canadian scien-tists need belong only to the American Societies. I cannot overstrcss the fact that it is the Science and Canadian Society elements in their various facets that the CAP and other Canadian Scientific Societies and Associations must perform in order for a mature and meaningful scientific discipline to develop in this country.

The role of CAP in involving phvsics with Cana-dian Society is at best minimal. There is little or any interaction with other disciplines. There is no forum for the discussion of problems relating to physics and society. It is true that some physics and education projects are conducted through the Educational Trust Fund supported by Corporate members and indi-viduals. Since a substantial physics industry does not exist in Canada, there are relatively few physicists employed by industry. Hence the donations by in-dustry are not large and the activities which can be supported are severely restricted. Considering the magnitude of the Trust Fund the achievements are indeed commendable. However, these are grossly in-adequate for a country like Canada. Thus, although we purport to guard our educational rights jealously, we are content to sit back and let the American Insti-tute of Physics, supported by the National Science Foundation, study the various facets of "Physics &

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78 / Physics in Canada

Education." We then use the results obtained in the United States with little or no consideration as to their relevance or applicability to the Canadian national scene.

The other areas of physics and society which I have mentioned are at this time totally neglected in Canada.

If we accept that the socio-scientific activities are of major importance, then if CAP does not take the lead in furthering those socio-scientific activities re-lated to physics, then who will? If, by some accident of fate, some of these are done by others, how accu-rately will they reflect the needs and views of physi-cists? Are we apt to be happy with the result? I think the Association has no choice but to take the lead, to insure that these socio-scientific needs as they relate to physics and society are fulfilled.

How can the Canadian Association of Physicists execute its role in science and in society? In the United States the dissemination of scientific informa-tion and the socio-scientific role are both performed by the American Institute of Physics. The majority of their projects (excluding scientific meetings and pub-lications) are performed under grants from the Na-tional Science Foundation. Some projects are also sponsored by Foundations such as the Ford Founda-tion and the American Academy of Arts and Sci-ences. These components of the activities of the AIP have been steadily increasing in recent years. It is in-structive to note that in 1967 the AIP operations supported by grants were of the order of $870,000; in 1968, the AIP expended $1,714,985.89 on "Special Projects." The total AIP staff (including publications) was 200.

The operations of the American Institute of Phys-ics are in marked contrast to CAP where we are hav-ing difficulty in establishing a viable National Office. We have made a number of efforts to obtain grants for CAP to establish its national office and to under-take special projects. To date the Association has been almost singularly unsuccessful (except for the Study for the Science Secretariat in 1966) in obtain-ing support for national projects from Canadian Gov-ernment bodies, despite a continued number of attempts to do so. The nature of many of the projects for which support was requested was similar to those being done for the u.s. environment by the AIP where such projects are being generously funded by the National Science Foundation.

The problem is that there is no tradition in Canada of funding projects outside of government depart-ments or establishments even in cases where it is

clearly evident that a particular organization may be ideally suited to execute such programmes. There is also no assigned responsibility for or even acute awareness of those activities which involve the phys-ics community and society-at-large. It is then per-haps not surprising that no government agency, although it may be sympathetic to the views ex-pressed here is prepared to assume the responsibility to insure that such projects are carried out. These activities are, however, essential for a democratic development of physics in Canada which is relevant to the society in which we live.

For the Canadian Association of Physicists to fully perform its role, the following requirements or steps are necessary. Some of these suggestions have already been brought to the attention of various government bodies. (Furthermore, I do not claim originality for many of them.)

(1 ) CAP must maintain its National Office and staff with at least a "minimum critical" density which includes an Executive Direc-tor, adequate clerical assistance and mod-ern business office techniques.

(2 ) CAP must be instrumental in making the national science policy makers recognize the essential role of scientific societies in the development of a scientific discipline and, in particular, its national relevance and national identity.

(3 ) A fraction of the national budget in a given discipline (say half of 1% of the total ex-penditure in r & d) needs to be set aside for support of socio-scientific projects, con-ducted primarily through the Scientific Associations. (In physics, where the aver-age government grant to universities is $7,000 this would be equivalent to $35 per grant.)

(4 ) It is essential that the responsibility for and budget to fund such socio-scientific pro-jects be clearly identified and given to a specific department of government or gov-ernment agency to administer.

(5 ) The CAP, perhaps in association with soci-eties in other disciplines, should strive to provide a forum where science and society can be discussed and brought to the atten-tion of the public.

(6 ) CAP must involve more members of the government laboratories in its activities and projects. The government although a major employer of physicists in Canada has been

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in reccnt years the least supporter (as com-pared to universities and industry) of CAP. Greater involvement of government-em-ployed physicists in CAP affairs may help renew government interest in CAP objec-tives.

( 7 ) CAP must strive to achieve a more effective tie with industry through the Corporate Membership. The role of Corporate Mem-bers must be considerably broadened from the present one of donating money to the Educational Trust Fund.

( 8 ) CAP must become more directly involved in educational projects including those which concern provincial governments. The reason for this is that with the provincial responsibility for education, the undefined responsibility for research grants to edu-cational institutes and the influence of re-gional boards in secondary education, many of the aspects relevant to physics education will not be the concern of any-one, but these are, however, of national concern.

( 9 ) CAP should not hesitate in trying to obtain funding for projects from u.s. Foundations. In fact, success here may be the easy road to acceptance of CAP'S role in Canada.

In summary, the Canadian Association of Physi-cists as the only democratic voice of physicists in Canada, has the dual responsibility to speak for the organization and support of physics and to promote the social development of modern physics and its in-tellectual and economic impact on Canadian society. How it shoulders these responsibilities in the critical few years ahead will determine whether the future holds "Maturity or Perpetual Adolescence" for the Canadian Association of Physicists.

The 15th Medal for Achievement in Physics, 1969

Médaille pour contribution exceptionnelle à la physique LARKIN KERWIN, D.Sc., F.R.S.C.

Larkin K E R W I N was born in Quebec City in 1924, the son of Timothy K E R W I N and Catherine LONERGAN. On both sides, his family was de-

La Physique au Canada / 79

scended from those sturdy Irish stock who had come to French Canada. He grew up in Quebec City, and thus developed early the deep attachment of a true Quebecker for his home city. In 1944 Larkin KER-WIN graduated with honours in Physics from St. Francis Xavier University where he had first com-pleted the basic three-year course in Engineering. After serving briefly as an instructor at St. Francis Xavier, he went in 1945 to the University of Toronto where he held again a brief teaching appointment. The same year, he joined the Geotechnical Corpora-tion in Cambridge, Mass., and entered the Massachu-setts Institute of Technology, where he obtained his M.Sc. in 1946 for a contribution to the methods of geophysical prospection.

In 1946, Larkin KERWIN came to Laval Univer-sity where in 1949 he was awarded the Doctors Degree for his work on inflection focusing mass spec-trometers. In the meantime, after serving as an in-structor at Laval in 1946, Larkin KERWIN was appointed lecturer in 1948, associate-professor in 1951 and finally he was made full professor in 1956. Meanwhile in 1950 he had married Lupita T U R C O T and, in the course of time, became the devoted father of seven children.

With his work in mass spectrometry, Larkin KER-WIN laid the foundation of what was to become one of the best known laboratories in the world in the field of atomic and molecular physics. Over the years, Larkin KERWIN together with his many graduate students formed a research group characterized by constant and clever improvements brought to instru-mentation and of the immediate and successful appli-cation of these advances to new problems in atomic and molecular physics.

One can mention the contributions to vibrating reed electrometers, the development of secondary emission electron multipliers using Beryllium-Copper alloys, contributions to electrostatic electron selectors, the development of crossed-beam ionization cham-bers, investigations of the role of surface changes, development in quadrupole mass spectrometers, investigation of electron impact spectrometers, re-search on the physics of atomic collisions such as atomic vibration levels, investigations of Aston bands and their application to appearance potential mea-surements in ion collisions and the determination of the energies of ionization and dissociation for many atoms and molecules for numerous types of colli-sional reactions.

The incessant and very successful research activity of Larkin KERWIN has resulted in more than 50

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published papers. He has also contributed chapters to research books and review articles in the Proceed-ings of numerous scientific conferences. He even found time to write a textbook on atomic physics, which has both an English and a French edition.

Besides his main work in atomic processes, Larkin K E R W I N has also pursued an active interest in nuclear physics. With Claude G E O F F R I O N he was mainly responsible for setting up the Van de Graaf ï Accelerator Laboratory at Laval, in 1962-63.

Another of the scientific interests of Larkin K E R -W I N which should be mentioned is medical physics. He started the Clinic for Radio-isotopes in the Quebec area and did much to acquaint the medical profession and hospitals there with modern knowledge and prac-tice in the biological application of radioactive sub-stances.

The other very important facet of the career of Larkin K E R W I N , besides research, has been his teaching and his accomplishments as a scientific ad-ministrator. From 1961 to 1967 he was the head of the Physics Department at Laval, which he guided with great ability and success during a critical period of intense growth. In 1967 he was appointed assistant-dean at the Faculty of Science of Laval, with research as his assigned responsibility. This period saw the creation at Laval University of the Center for Research on Atoms and Molecules (CRAM). This organization was born of the fusion of two related research groups, at CARDE, Valcartier and at Laval. Last March, Larkin K E R W I N was nominated vice-rector at Laval Uni-versity in charge of research.

During all these years Larkin K E R W I N has al-ways been very active in the affairs of Canadian Physics. H e is a past president of CAP. He also has served on numerous committees, having to do with electronics and physics for Defence, with N.R.C.

grants and fellowships, and with other selection com-mittees, notably those of the Education Ministry in Quebec. Since 1968 he has been an associate editor of the Canadian lourna l of Physics. Since 1963 Larkin K E R W I N also has been serving as Associate Secretary General of the International Union of Pure and Applied Physics.

Larkin K E R W I N has in addition been very active in community affairs, notably in connection with public education. His efforts contributed largely to the foundation of the St. Stephen Catholic School in Sillery and he is a member of the Board of Regents of St. Lawrence College near Quebec City.

Of the many honours Larkin K E R W I N has re-ceived, one can mention the following: Laureate of

the Prix David of the Province of Quebec in 1951,

Laureate of the Pariseau Medal and Prize of the

ACFAS in 1965, elected fellow of the Royal Society of

Canada in 1964 and recipient of Canadian Centenary

Medal in 1967.

On account of his many contributions through

research, teaching and service to physics, I have the

privilege on behalf of CAP to present to Larkin K E R -

W I N the 1969 C.A.P. Medal for Achievement in

physics.

REPLY BY PROFESSOR KERWIN

In accepting the Medal of the Canadian Association of Physicists, I should, of course, like to persuade myself that I was not thereby demeaning it. It is en-couraging to note that an award merited by such dis-tinguished scientists as Herzbcrg, Foster, Bell and others has acquired by virtue of this an untarnishable lustre, and so I can probably do it no harm. I can even contribute something to a greater extent than they: evidence of the influence and importance that good fortune can bring to a physicist's career.

Ainsi c'était ma bonne fortune d'avoir eu trois ex-cellents professeurs de physique de suite: Brother George au secondaire, le Dr Ernest Clarke à l 'Uni-versité et le Professeur l ohn Slater au 2e cycle. C'était ma bonne fortune d'arriver à l 'Université Laval alors que Rasetti mettait le point sur le cours de physique qu'il avait fondé. J 'étais un des derniers gradués de Rasetti à Laval et j'ai pu m'émerveiller

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alors qu'il nous guidait d'un drame à l 'autre: la nou-velle d'une découverte, la démolition expérimentale d'une hypothèse (il y prenait grand plaisir), les dis-cussions de principes fondamentaux, le tout accom-pagné de beaucoup de décibels.

My good fortune included, as you can well ima-gine, the fine team of young physicists that Rasetti had forged. Koenig, Bonenfant, Hall, Geoffrion, Boivin and Frémont have all had a profound influ-ence on physics in French Canada. But each worked in a different sphere, and our close cameraderie in those golden years of the 'fifties gave me a broad and exciting view of a wide spectrum-of physics. Another stroke of luck was our lack of space, which obliged the noted physical chemists Paul Giguère and Cyrias Ouellet to share our 4 o'clock tea.

Cet état de chose continua avec mes propres étudiants. Te suis partisan de la technique "select them and neglect them" et le professeur qui peut se vanter d'avoir enseigné à Ernest Clarke, Paul Mar-met, Bill McGowan, Jean-Denis Carette, parmi bien d'autres excellents doit admettre d'être gâté. Comme on vous l'a indiqué, ce beau choix d'associés se con-tinue, et encore récemment la bonne fortune nous a permis de joindres nos équipes avec d'autres au sein du Centre de Recherches sur les Atomes et les Molé-cules réalisé par l'Université Laval et le Conseil de Recherches pour la Défense.

T was fortunate in beginning my work in physics at the same time that is was getting under way in French Canada and that the C.A.P. was being started and I have watched all develop with much affection. Few people realize how young physics is in our parts: No French-Canadian physicist is yet a grandfather; all French Canadian Ph.D.'s physics are still alive and very active. One of the most prominent, success-ful and senior ones is your Vice-President, Professor Albéric Boivin who is still relatively young and abso-lutely vigorous. It was our good fortune to begin when C.A.P. was founded, and provided over the years a strong bond to our other Canadian colleagues.

S'il m'est permis un mot personnel, ce serait de souhaiter que l'on défende plus vigoureusement la base philosophique de notre science, alors que l'âge d'or de sa popularité politique semble se terminer. Si j'ai le moindre mérite devant mes collègues, ce serait peut-être d'avoir essayé, à toute occasion, de prêcher l'évangile de notre raison d'être: évangile que j'ai bien appris de Clarke et de l'équipe de Rasetti. La physique est une des activités proprement humaines dans le sens le plus profond de la phrase, et c'est pour permettre l'épanouissement de telles activités que la

La Physique au Canada / 81

société cherche instinctivement la paix et l'ordre. Malheureusement, nos réussites matérielles ont par-fois caché nos buts primordiaux et on entend, par exemple, des personnes aussi distinguées que le Séna-teur Lamontagne dire à la Société Royale du Canada que la science a comme but le service de la société. Je me permets de croire que le Sénateur n'avait pas complété sa pensée et qu'avec quelques minutes de plus, il aurait renversé la phrase.

Some years ago, when Arthur O'Shaughnessy wrote his famous Ode, he was thinking of the Celtic race, but I have sometimes thought in the view that I have mentioned, that he might have been writing of the physicists:

"We are the music makers, and we are the dreamers of dreams ... ... yet we are the movers and shakers Of the world, forever, it seems ..."

C'est une fortune merveilleuse que de participer à cette aventure avec mon épouse Lupita. Nous avons été récompensé tous les deux, au centuple déjà, mais l 'honneur de ce soir, qui revient à mon équipe et à mon université, nous comble pour toujours. Soyez assurés, chers collègues, de notre reconnaissance et de notre dévouement.

Tn Profile: Donald D.Betts

For the second time in its history the Canadian Association of Physicists has a theoretical physicist as its President. And we welcome this recognition of the fact that not all theoreticians are far removed from the real world. Indeed as long as we have known him, Donald Drysdale Betts has been one of our most socially conscious scientists. His concern for science and society has always played a dominant role in his life. It is therefore encouraging that our Association has chosen a man whose perspective corresponds to that required by an increasingly inter-dependent society.

Being born in the year 1929 (in Montreal) may have had something to do with moulding Don's con-cern. He spent most of his childhood in Nova Scotia and in Prince Edward Island, and most of his school-ing was obtained in a two-room school house in Wallace, Nova Scotia. His interest in science devel-oped at an early age so that a B.Sc. degree in 1950 from Dalhousie University was achieved in a fairly

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D O N A L D D . B E T T S

linear way - with first class honours in physics. This was followed by a M.Sc. degree in 1952, also from Dalhousie. It is here that we observe a rare aberra-tion, for his M.Sc. thesis was in experimental physics, dealing with microwave frequency gas discharge breakdown in neon (under the supervision of A. D. MacDonald) . But this only underlines Don's versa-tility. His Ph.D. degree was obtained in 1955 from McGill University under J. D. Jackson, and his the-oretical dissertation dealt with electron capture by helium ions in gases.

But fortunes are made in the West! Dr. Betts came to the University of Alberta in 1955 as a Post-doc-toral Fellow and has remained there ever since, to the great credit of the University. At that time the Physics Department at the University of Alberta was somewhat quiescent in research and it was in no small measure due to Don's energy and enthusiasm that the Department moved rather quickly into active research. In particular he was one of the prime movers in helping to establish the Theoretical Physics Institute at the University of Alberta in 1960 - the first of its kind in this country. His outstanding contri-butions to the University won him a full Professorship in 1966.

Don has about 25 publications. Over the years his research interests have ranged over several areas of physics. His early work on gaseous discharges and

atomic collisions has already been referred to. On coming to Alberta Don first worked on some aspects of lattice dynamics, a work which is by now well recognised. Subsequently he has done researches on electronic energy bands, non-linear fields and on monolayer adsorption. The last topic was possibly responsible for his contracting the so-called Ising disease in 1962. In the following year this disease was further aggravated when Don spent his sabbatical leave at King's College, University of London, with Professor C. Domb's group as a NATO Fellow. Since then he has developed at the University of Alberta a large and active group of people working on critical phenomena. Don's own contributions cover a variety of topics including both the static and dynamic prop-erties of Ising and Heisenberg models.

There is probably no one who has contributed more to the development of theoretical physics in Canada than our incoming President. His dedication and initiative played a leading role in the formation of the Theoretical Physics Division of the Associa-tion. He has acted on the Organization Committees of 4 CAP Summer Schools in Theoretical Physics, including the very first one which was held in 1957 at the University of Alberta.

Don's very competent organizational and adminis-trative ability is recognized by the University in favouring him with positions on its leading commit-tees and councils such as General Faculty Council, Radio and Television Committee, A.A.S.U.A. Commit-tee on Tenure Procedures etc.

In addition to academic and scientific work there is also a family of four (Malcolm 13, Sylvia 10, Eric 8, Douglas 6) which Don and his wife Vilma started planning in 1954. Somehow time has also been found for his hobbies of pottery, painting, camping and wild mushroom collecting and eating. This last activity at times has occasioned some concern, but it only em-phasizes Don's self-confidence and survival ability.

Don takes everything, whether it be research or administration, or hobbies, with great zeal and en-thusiasm. When he took pottery, he made a tea cup on which he engraved the expression Z = Tr e - H / k T . The cup may never grace the shelves of an art museum, but he does drink tea from it. He always perseveres to the end.

Don's continued interest in physics and the vital role he has played in its development in Canada make him an ideal choice for President of our organi-zation, and we wish him all success in the year ahead.

A. B. BHATIA, H. SCHIFF

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Science Policy Symposium (Waterloo)

The annual meeting of the CAP in Waterloo began with a symposium of four talks on science policy. The talks gave varying views of current efforts in Canada toward a science policy. The views clashed and resulted in a spirited discussion in which many members of the large audience took part without any decrease in the entropy of the symposium. We attempt to record here some of the substance and flavor of the symposium.

First of all, Dr. P. D. McTaggart-Cowan, Execu-tive Director of the Science Council of Canada gave a talk on "Science Policy and the Science Council." Dr. McTaggart-Cowan began with a description of the Science Council and the reports which it has pub-lished. In his view the Science Council was not ignor-ing basic research in Canada. The main stumbling blocks to the development of science policies were foreseen by Dr. McTaggart-Cowan to be the follow-ing: (1 ) the lack of knowledge of how scientists and engineers effect our s o c i e t y - f o r example, is there an overproduction problem in physics Ph.D.'s? (Dr. McTaggart-Cowan thought no t ) ; ( 2 ) a lack of un-derstanding of the ecology of industry in Canada -recent incentive programs have not led to increased industrial innovations; (3 ) lack of knowledge of the alternatives in decision-making processes in govern-ment - of the mechanisms which might improve the present situation in which Treasury Board makes all decisions; ( 4 ) the allocation of resources for basic research in Canada - here Dr. McTaggart-Cowan felt the percentage of basic research in Canada was high but that the amount was not; ( 5 ) the development of social goals and motivations.

The second talk was given by Senator Allister Grosart on "National Science Policy and the National Science Community." Senator Grosart gave a lively extemporaneous talk - not at all unexpected from a person who rose to national prominence with the Diefenbaker bandwagon and who has impressed many persons familiar with the Senate Committee hearing on Science Policy with his thorough ground-work and incisive cross examinations. The Senator described the work of the Senate Committee on Science Policy (headed by Senator M. Lamontagne) . As he saw it a national science policy requires four main structures: ( 1 ) an input structure which would.

La Physique au Canada / 83

for example maximize the contribution of scientists to science policy; (2 ) a decision making structure; (3 ) an output structure which would move from a decision base into operative channels; (4 ) a body (such as the Science Council) to assess the working of the other mechanisms.

Senator Grosart favored a lobby of scientists - a "farmers' march" on Ottawa. Scientists have failed to recognize that the essence of democracy is conflict. "Evidence indicates that in some elements of the scientific community there is the most abysmal ignor-ance of the political process. ... Labor does it, doctors do it, veterans do it, and even students do it. I think it is time the scientific community marched on Ottawa."

The third talk of the symposium was given by V. O. Marquez, president of Northern Electric Company Limited, on "An Industrialist's View of Science Policy." His main points were the importance of the process innovation to the science of a country and the lack of innovation in Canada. Dr. Marquez de-fined three distinct processes:

(1) discovery by which new knowledge is added to the available store;

(2 ) invention by which knowledge is applied to pro-vide a new solution to a practical problem;

(3 ) innovation signifying the imaginative synthesis of resources to achieve the satisfaction of human want by the practical exploitation of inventions within acceptable economic limitations.

A fourth process, imitation, runs parallel to innova-tion and, in Canada, largely supplements it. From the industrialists viewpoint, Canada has been sadly lack-ing in innovation, particularly in secondary manufac-turing. Industry and government should spend more on innovation and government should channel a greater proportion of its expenditures for this process through Canadian industry.

Dr. A. E. Douglas, director of Pure and Applied Physics, N.R.C., gave the final talk, entitled "A Worm's Eye View of Science Policy." Dr. Douglas found much that troubled him in the current efforts to achieve a science policy in Canada. The following three paragraphs are an abstract of his talk prepared by Dr. Douglas.

During the past year the morale and the efficiency in the National Research Council laboratories have decreased noticeably. Although this may, in part, be attributed to the decrease in staff and in budget, to a much greater extent it has resulted from a feeling that

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the laboratories will be more and more forced to meet predetermined social and economic objectives as determined by some central committee rather than on the exploitation of new scientific ideas which his-tory has shown, is the area of greatest economic re-turn. Pressure in this direction is clearly indicated in Report No. 4 of the Science Council where it is recommended that most new undertakings in Cana-dian science should be organized in large programs under the control of a central committee and that these programs be designed to meet Canada 's exist-ing social and economic problems.

I t is suggested that the following steps would be helpful in restoring confidence:

( 1 ) The maintenance of the decentralized con-trol which has allowed science to progress rapidly in the past twenty years;

( 2 ) Much stronger government efforts to assure the development of Canadian invention and discovery in Canadian industry;

( 3 ) A review of all laboratories by independent committees of competent scientists to as-sure the maintenance of the quality of the research work and a policy whereby the support of a laboratory is strongly depen-dent on this quality;

(4 ) A mechanism must be developed which will allow more of Canada 's best scientists to play some effective part in the decision making process without forcing them to give up their scientific activities.

It is also suggested that a minister of science policy, if he holds no other portfolio, is likely to be a weak minister in the Canadian system of govern-ment and probably would not be an effective force in improving government policies.

Following the four talks there was a lengthy and lively discussion. The speakers first of all had oppor-tunity for rebuttal but it was not clear that they reached agreement on the need for science planning, on the place of basic research, in the need for a science minister, or on many other matters. Nor was there any consensus from the audience, part of which appeared in great sympathy with Dr. Douglas' attack on much of the current discussion of science policy. Dr. Marquez gave a quote which might epitomize the discussion: "planning is what you do so that in the future you will be approximately right instead of exactly wrong."

E. w . VOGT

C.A.P. Affairs Affaires de 1'A.C.P. C A P C O M M I T T E E S

The following appointments to committees were ap-proved at the joint meeting of old and new Councils held at the University of Waterloo on June 28, 1969.

1. Nominating Committee M. P. Bachynski (C), D. D. Betts, A. G. McNamara, R. March, R. M. Pearce.

2. Editorial Board of Physics in Canada D. E. Brodie (C) , J. L. Meunier, Power to add.

3. Membership Campaign A. Boivin (C), Entire Council.

4. Membership Accreditation L. E. H. Trainor (C), J. L. Meunier, Power to add.

5. Awards Committee H. E. Johns (C) , G. C. Lawrence, B. N. Brockhouse, R. E. Bell, L. Kerwin.

6. Educational Trust Fund J. L. Meunier (C), A. Crawford, B. Hogg, D. Ather-ton, R. J. Kriegler, G. C. Cloutier, D. G. Hurst.

7. Annual Meeting - Programme Committee E. W. Vogt (C) , J. L. Meunier, Division Chairmen, Power to add.

8. Annual Meeting — Local Committee A. H. Morrish (C), J. L. Meunier, B. Hogg, D. O. Wells, S. Standil, M. J. Oretzki, S. K. Sen, R. D. Connor, K. I. Roulston, Mrs. A. H. Morrish.

9. Applied Physics Committee A. I. Carswell (C) , Power to add.

10. Student Affairs Committee M. W. Johns (C), B. Hird, B. G. Hogg, P. Dworkin, P. Eastman, W. J. McDonald, G. R. De Mille, N. Hedgecock, J. Lodge, J. G. Derome, J. L. Wolfson, S. Breckon, A. E. Dixon, R. McElroy, F. Hetzel.

11. Publications Committee E. W. Vogt (C) , J. Van Kranendonk, W. A. Piec-zonka, B. G. Wilson, A. Boivin.

12. Secondary School Science Examination Committee J. S. Fraser (C) . Power to add.

13. Delegate to Youth Science Foundation T. F. Embleton.

14. Distinguished Lecture Tour Committee G. M. Volkoff, Power to add.

15. High Energy Physics Committee E. P. Hincks (C), Power to add.

16. Committee on the Revision of the Constitution I. D. Brown (C), J. L. Meunier, Power to add.

17. Finance Committee L. E. H. Trainor (C), D. D. Betts, L. Katz, J. L. Meunier.

18. Committee on Summer Institutes A. Boivin (C), Division Chairmen.

19. Committee on Placement Service D. D. Betts (C) , B. G. Hogg, K. McNeil, R. C. Smith, E. W. Vogt, F. L. Weichman.

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20. Discussion Committee for the 200 GEV Proposal G. M. Griffith (C) , A. H. Morrish, W. T. Sharp, D. J. Brown, D. G. Stairs, F. J. Osborne, G. Cloutier.

21. Delegates to the Canadian Committee for IUPAP D. D. Betts, E. W. Vogt.

22. Steering Committee on Teaching and Enrolment Trends in Physics L. R. McNarry (C) , A. G. McNamara, J. L. Meunier, H. Cannon, W. Thumm, L. E. H. Trainor, M. DeCeiles, R. D. Connor, Power to add.

23. Committee on Science Policy D. D. Betts (C) , E. W. Vogt, M. P. Bachynski, L. E. H. Trainor. J. L. Meunier.

24. Committee on the Exchange of Used Scientific Equipment L. Katz (C) , Power to add.

25. Committee on Division of Physics and Society J. F. Cochran (C) , J. T. Sample, D. Rogers, W. English, L. H. Palmer, L. E. H. Trainor, G. C. Neilson, P. Bird.

26. Twenty-Fifth Anniversary Committee L. Kerwin (C) , D. C. Rose, B. W. Sargent, A. D. Misener, Power to add.

27. Committee on the French Version of the Constitution A. Boivin (C) , G. G. Cloutier, L. Gauvin, J. Lefaivre, J. L. Meunier.

A N N U A L G E N E R A L M E E T I N G

The following motions were adopted at the annual general meeting on June 26, 1969: • National Research Council of Canada

That it is a matter of the highest priority for Cana-dian science that the quality of the laboratories of the National Research Council of Canada be main-tained and that independent of whatever orienta-tion the laboratories may acquire, they maintain a balanced research programme which includes basic research.

• Issues Involving Physics and Society That a committee be established by Council to study the desirability and feasibility of establishing a Division to inform and advise the government and the public on issues involving physics and society.

• The Queen Elizabeth II Telescope That CAP express its disappointment at the delay in the publication of the report of the committee charged with reporting on the development of astronomy in Canada , and, in particular, on the development of the Queen Elizabeth II telescope and that the Association respectfully request that the Government make this report public without fur ther delay.

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E X E C U T I V E D I R E C T O R

Executive and Council changed the title of the Ex-ecutive Secretary of CAP to that of Executive Director.

W H Y W A S M Y C O N G R E S S I S S U E S O L A T E

I N R E A C H I N G M E ?

T h e deadline for receipt of abstracts was March 15. In fact, approximately one third of the abstracts even-tually received had reached the office of the Program Chairman by that date. The deadline date enforced was March 31. The completed typescript of the entire program in a form suitable for photographic repro-duction was sent to the University of Toronto Press on April 15. It was expected that the Congress Issue would then be mailed to members approximately May 15. Unfortunately, a printers' strike in Toronto delayed the completion of the program appreciably beyond this date. The University of Toronto Press reports that it was mailed on May 31.

News Nouvelles

P A T T E R S O N M E D A L A W A R D T O

W . L . G O D S O N

Dr. Warren L. Godson, Superintendent of Research in the Research and Training Division of the Cana-dian Depar tment of Transport ' s Meteorological Branch in Toronto has been named the 1968 winner of the Patterson Medal Award.

The award was presented to Dr. Godson bv Dr. D. P. Mclntyre, Chief of the Research and Training Division, at the Third Annual Congress of the Cana-dian Meteorological Society held in Toronto from May 2 7 - 2 9 , 1969.

The Patterson Medal struck by the Canadian Mint, features a likeness of Dr. John Patterson, Controller of the Meteorological Service of Canada, from 1929 to 1946, and is awarded annually to a resident of Canada who, in the opinion of the award committee, has rendered distinguished service to meteorology, either over a period of time or through a recent out-standing achievement.

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In making the presentation, Dr. Mclntyre made particular reference to the prominent role Dr. God-son had played in the planning of the Global Atmos-pheric Research Project (GARP). He also stated that it was largely through Dr. Godson's efforts that Can-ada had /been selected as the agency of the World Meteorological Organization for the publication of world ozone data. Dr. Godson in accepting the award, which is the highest in Canadian meteorology, noted the medal's particular significance to himself and those recipients who had worked with the former Head of Canada's Meteorological Service for whom the award is named.

Dr. Godson joined the Meteorological Service in Canada in 1943. He received his doctorate from the University of Toronto in 1948, and was appointed Superintendent of the Research Section in 1954.

Dr. Godson has been a prolific and productive re-search meteorologist with over 100 published papers covering a wide range of topics in the physical, synoptic, and dynamic fields. He is particularly well known for his work in radiation, numerical weather prediction, sudden stratospheric warmings and the long-period oscillations of the atmosphere.

In both national and international scientific affairs, Dr. Godson has made significant contributions. His many posts have included President of the Canadian Branch of the Royal Meteorological Society, Coun-cillor of the American Meteorological Society and Secretary of the International Association of Meteor-ology and Atmospheric Physics.

U S E D S C I E N T I F I C E Q U I P M E N T

The used betatron at the University of Saskatchewan will be given to South Korea if no requests are re-ceived f rom Canadian institutions. Requests should be forwarded to L. Katz, Department of Physics, University of Saskatchewan, Saskatoon.

B O O K S F O R D E V E L O P I N G C O U N T R I E S

One of the great needs of the so-called 'developing' countries is for help with their educational programs. For the most part, schools and universities in those countries struggle with inadequate libraries and in-sufficient equipment. An organization which is trying to do something about it is the Overseas Book Centre (Centre du livre pour outre-mer) , a private, char-itable organization, based in Ottawa, with branches in a number of Canadian cities. The Overseas Book

Centre collects educational books and other educa-tional supplies, which are surplus in Canada, and sends them as a gift to universities, libraries, schools, and hospitals, in developing countries. Readers can help this worthwhile effort by donating surplus books or laboratory supplies to the o.B.c. Books must be in good condition - undamaged, clean, pages complete and free f rom disfiguration. They should be reason-ably up-to-date, i.e., published no more than ten years ago. Periodicals and journals are also useful, particularly if they are in annual sets. The language can be either English or French. Besides scientific texts and resource books the o.B.c. will accept good literature (novels, poetry, classics) and magazines (National Geographic, Readers Digest) . Other edu-cational equipment should be in usable condition. The o.B.c. has no facilities for repair or recondition-ing. For additional information and address of the nearest centre contact:

MR. W. A. TEAGER,

National Director, Overseas Book Centre, 75 Sparks Street, Ottawa 4, Ontario. Telephone: 235-4331 (area code 6 1 3 ) .

Canadian Physicists Physiciens canadiens

AT THE UNIVERSITY OF OTTAWA ... DRS. B. HIRD a n d

Y. P. VARSHINI have recently been promoted to the rank of full professor. Two theoretical physicists will join the department as assistant professors on July 1 ; they are DR. R. J. W. HODGSON, who is currently a post-doctoral fellow at the University of Alberta, and DR. K. S. SONG, now a post-doctoral fellow at the C.N.R.S. Laboratories of the University of Strasbourg. DR. J . WALKER of the University of Birmingham will become Visiting Research Professor, and will work with the joint University of Ottawa - Carleton Uni-versity Dynamitron group; he is travelling on a Com-monwealth Fellowship, DR. G. BAILEY, f rom the University of British Columbia, will also work with this group as a post-doctoral fellow.

AT THE BEDFORD INSTITUTE .. . DR. B. D. LONCAREVIC,

formerly head of the Marine Geophysics group, has

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been appointed to the new post of Assistant Director, Atlantic Océanographie Laboratory, and is in charge of the Applied Oceanography, Marine Geology, Metrology and Oceanographic Research Sections ... In Oceanographic Research, DR. D. M. GARNER has come from the New Zealand Oceanographic Institute to join the Ocean Circulation group, and DR. J. PIECHURA of the Hydrological and Meteorological Institute, Poland, is on a two-year fellowship with this group ... DR. R. T. HAWORTH has joined the Marine Geophysics group after completing a PH.D. degree at Cambridge University, MR. j . M. WOODSIDE

has joined this group from Woods Hole Oceano-graphic Institution after completing an M.SC. degree at M.I .T . , and DR. K. G. SHIH is working with the group pending a transfer to the West Coast ... Dr. Shih holds a PH.D. degree from Oregon State University and came here from the University of Western On-tario. MR. G. J . PEARSON has joined the Radio-chemistry group after completing an M.SC. degree at Queen's University and is working in activation analysis, DR. L. A. E. DOE has left his position as head

La Physique au Canada / 87

of the Air-Sea Interaction group to join the Canadian International Development Agency in Ottawa ... MR. G. H. SEIBERT has joined the Applied Oceanography section after completing an M.SC. degree in Marine Sciences at McGill University ... DR. P. C. BEAMISH

has joined the Marine Ecology Laboratory after com-pleting a PH.D. degree at the Institute of Oceano-graphy, U.B.C. and is working in marine bio-acoustics.

AT THE UNIVERSITY OF BRITISH COLUMBIA ... Visiting Professor EGON RICHTER, March 1969-August 1969, from Technische Hochschule Braunschweig, Men-delssohnstrasse 1, Braunschweig, Germany ... Visiting Scientist MICHAEL D. STURGF., June 15-August 31, 1969, from Bell Telephone Laboratories, Murray Hill, New Jersey, U.S.A. ... Visiting Assistant Pro-fessor MICHAEL J . HAGGERTY, June 1-August 31, 1969, from Centre for Statistical Mechanics & Thermodynamics at University of Texas, Austin, Texas, U.S.A. ... Visiting Assistant Professor MICHAEL H. BOON, September 1, 1969-April 30, 1970, from Battelle Institute, Geneva, Switzerland.

G R A D U A T E STUDIES IN PHYSICS Dalhousie University

Geophysical Studies Seismology Marine Geophysics Earth Tides Geothermal and Magnetotelluric Experiments

Theoretical Physics Quantum Field Theory Solid State Theory High Energy / Elementary Particle Theory

Engineering Physics Underwater Acoustics Semiconductor Electronics

Solid State Physics High Field Magneto-Acoustics Low Temperature Transport Properties Tunneling in Thin Films

Facilities Computer facilities include IBM 360/50. Customary low temperature facilities plus He3-He4

dilution refrigerator. Co-operative arrangements with the Bedford Institute of Oceanography.

Financial Assistance Scholarships arc normally available for all qualified graduate students. Details will be sent promptly on request for information.

Enquiries may be sent to

Professor A. J. Maclntyre, DEPARTMENT OF PHYSICS, DALHOUSIE UNIVERSITY, Halifax, Nova Scotia.

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EDITORIAL A N N O U N C E M E N T

Following this issue PHYSICS IN CANADA moves to a new office and acquires a new editor. The new editor is Prof. D. Brodie, Physics Department, University of Waterloo. All future editorial business should be addressed to him. Mr. J.-L. Meunier, the Executive-Director of the CAP, continues as associate editor. The retiring editor would like to thank all his colleagues who have contributed to these pages over the past few years and, in particular, to ac-knowledge the help of W. T. Sharp, of J.-L. Meunier, who light-ened the load and enlivened the pages, and of W. Dalby who has done such an excellent job of handling book reviews. The coopera-tion of the University of Toronto Press has been much appreciated.

E. W . VOGT

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CAP ANNUAL REPORT: 1968-69 RAPPORT ANNUEL DE L'ACP: 1968-69

Pre face Officers of the Association: 1968-69 List of Committees

1. CAP PROJECTS 1.1 Call for Projects 1.2 Requests to NRC 1.3 Privy Council 1.4 Science Council 1.5 Addendum to the CAP Brief to the Senate 1.6 Manpower Survey 1.7 Educational Project 1.8 Meeting of Scientific and Technical Societies

2. SUBJECT DIVISIONS AND LOCAL SECTION 2.1 New Divisions 2.2 Membership in Divisions and Local Section 2.3 Report from Divisions 2.4 Report from Local Section

3. CAP MEMBERSHIP 3-1 Current Membership 3.2 Membership Campaign 3.3 Membership Analysis 3.4 Membership Accreditation 3.5 Placement Service

1*. CAP CORPORATE MEMBERSHIP 4.1 Current Corporate Membership 4.2 Membership Campaign 4.3 Corporate Membership and Departments of Physics

Meeting of Corporate Members 4.5 Future Meetings of Corporate Members

5. CAP EDUCATIONAL ACTIVITIES 5.1 Educational Trust Fund 5.2 Student Affairs 5.3 CAP Lecture Tours 5.4 CAP Distinguished Lecture Tour 5.5 CAP University Prize Examination 5-6 CAP High School Prize Examination 5.7 Undergraduate Physics Conference 5.8 CAP Prize at the Canada-Wide Science Fair

6. CAP MEETINGS, SUMMER SCHOOLS AND PUBLICATIONS 6.1 Meetings Sponsored by CAP 6.2 Banff Summer School on Critical Phenomena 6.3 High Energy Physics 6.4 Applied Physics 6.5 Sponsorship of Summer Schools 6.6 Physics in Canada 6.7 Subscriptions to Journals 6.8 Annual Congress 6.9 Future Congresses

7. CAP - SCIENCE POLICY AND RELATED ACTIVITIES 7.1 CAP Brief to the Senate Committee on Science Policy 7.2 Senior Scientific Appointments 7.3 NRC Advisory Committee on Physics 7.4 IUPAP - International Union of Pure and Applied Physics

8. CAP HONOURS 8.1 CAP Award for Achievement in Physics 8.2 Report on Prizes and Honours

9. CONSTITUTION 9.1 Amendments Approved 9.2 Bilingual Name and Constitution

10. NATIONAL OFFICE 11. AUDITED FINANCIAL STATEMENTS 12. NEW EXECUTIVE AND COUNCIL: 1969-70

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PREFACE

In recent years the Canadian Association of Physicists has been

a dynamic organization. In addition to the Annual Congress, a large variety

of activities are being carried out by the Executive and Council, by the

Subject Divisions, by various Committees and others. The Executive meets

with Council three times a year and the Executive has, in addition, two

meetings of its own. Many of these activities and the results of much of

the business which is transacted at the meetings are often unknown to the

majority of the Membership

On the occasion of the 2lvth year of the Association and after one

year of operation of the National Office, a summary of the work of the past

year by the Association is presented in the following report. This report

should not only make the operations of the Association better known to its

membership but also speed up the formalities of the General Annual Meeting

thereby creating more time for discussion.

M. P. Bachynski

President

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OFFICERS OF THE ASSOCIATION/ BUREAU DE DIRECTION 1968-69

EXECUTIVE/EXECUTIF

President : Past President: Vice-President : Vice-President Elect: Honorary Secretary-Treasurer: Director (Members): Director (Affiliates): Director (Students): Editor: Division Chairmen:

Theoretical Physics: Earth Physics: Medical and Biological Physics: Solid State Physics: Plasma Physics: Educational Physics: Nuclear Physics :

M.P. Bachynski, RCA Limited, Montreal. H.E. Petch, University of Waterloo. D.D. Betts, University of Alberta. E.W. Vogt, University of British Columbia. L.E.H. Trainor, University of Toronto. S. Lapointe, Université de Montreal. D.L. Hunter, University of Alberta. R. Verrall, University of Manitoba. E.W. Vogt, University of British Columbia.

J. Van Kranendonk, University of Toronto. W.L. Godson, Toronto. J.R. Cunningham, Ontario Cancer Institute. F.D. Manchester, University of Toronto. H.M. Skarsgard, University of Saskatchewan. W. Thumm, Queen's University. G.C. Neilson, University of Alberta.

COUNCILLORS/CONSEILLERS

British Columbia and Yukon: Alberta: Manitoba and Saskatchewan: South West Ontario: Central and Northern Ontario: Eastern Ontario : Quebec : New Brunswick and Newfoundland: Nova Scotia and Prince Edward Island: At large :

Term ending Term ending in 1969 in 1970

J.F. Cochran A.V. Gold J.T. Sample A.W. Harrison J.L. Wolfson R.D. Connor C.M. Carmichael G. Szamosi R.L. Armstrong D. Frood C.H. Millar A.G. McNamara L. Gauvin J. Yahia E.R. Deutsch G.R. De Mille R.H. March C.K. Ross W. Pieczonka

BUSINESS OFFICE/BUREAU DE L'ASSOCIATION 151 Slater, Suite 903, Ottawa 1», Ontario, Telephone (6l3) 237-3392. Executive Secretary/secretaire général: Jean-Louis Meunier

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LIST OF COMMITTEES

1. Nominating Committee

H.E. Petch (C), M.P. Baohynski, J.T. Sample, E.W. Guptil

2. Editorial Board of Physics in Canada

E.W. Vogt, Editor, J.L. Meunier, Associate Editor, J.W. Bichard, F.W. Dalby, J.M. McMillan.

3. Membership Committee

L.E.H. Trainor (C), J.L. Meunier, I.D. Brown, S.K. Sen, A.E. Boone.

it. CAP Awards Committee

0.A. Keys (C), H.E. Duckworth, H.E. Johns, B.N. Brockhouse, R.E. Bell, G.C. Laurence.

5. Educational Trust Fund

J.L. Meunier (C), B.G. Hogg, A. Crawford, J.S. Marshall (Trustee), E.R. Pounder (Trustee) P.J. Sandiford (Trustee).

6. Annual Meeting - Programme Committee

D.D. Betts (c), J.R. Cunningham, W.L. Godson, E.P. Hincks, J.L. Meunier, F.D. Manchester, D.H. Rogers, H.M. Skarsgard, J. Van Kranendonk.

7. Annual Meeting - Local Committee

J. Grindlay (C), P.C. Eastman, K.D. Hunt, J.W. Leech, J.L. Meunier, H.E. Petch.

8. Applied Physics Committee

A.I. Carswell (C), D.E. Brodie, R.R. Haering, W.A. Pieczonka, R. Sennett, J. Shewchun, G.J. Thiessen.

9. Student Affairs Committee

M.W. Johns (c), P. Dworkin, B. Hird, G.R. De Mille, C. Derome, J.I. Lodge, P.C. Eastman, W.J. McDonald, B.G. Hogg, G,M. Griffiths, D.S. Davison, R. Verrall.

10. Publications Committee

E.W. Vogt (C), J. Van Kranendonk, W.A. Pieczonka, B.G. Wilson, A. Boivin.

11. Secondary School Science Examination Committee

J.S. Fraser (C), E. Grundke, R. Leblanc, J.L. Hubisz, G. Roy, G.R. Hébert, M.J. Oretzki, R.J. Barton, A.W. Harrison, R.H. Enns.

12. Delegate to Youth Science Foundation

T.F. Embleton.

13. Distinguished Lecture Tour Committee

G.M. Volkoff.

High Energy Physics Committee

E.P. Hincks (C), W.T. Sharp, B. Margolis, J.D. Prentice, D.G. Stairs.

15. Committee on the Revision of the Constitution

D.D. Betts (C), I.D. Brown, J.L. Meunier.

16. Finance Committee

L.E.H. Trainor (C), M.P. Bachynski, C.V. Stager, J.L. Meunier.

17- Committee on the Sponsorship of Summer schools

E.W. Vogt (C), J.R. Cunningham, W.L. Godson, F.D. Manchester, G.C. Neilson, H.M. Skarsgard, J. Van Kranendonk.

18. Committee on Prizes and Honours

H.L. Welsh (C), J.L. Kerwin, H.E. Petch.

19- Committee on Placement Service

D.D. Betts ( c ) , B.G. Hogg, K. McNeil, R.C. Smith, E.W. Vogt, F.L. Weichman

20. Committee on Educational Project

A.G. McNAmara (C), L.R. McNarry, J.L. Meunier.

21. Teller Committee

A.G. McNamara (C), R.L. Clark, R.C. Smith.

22. Committee on Science Policy

L.E.H. Trainor (C), M.P. Bachynski, A.C. Hollis Hallett, J.M. Robson, J.L. Meunier.

23. Steering Committee for the Discussion of the 200 GEV Proposal

F.D. Manchester (C).

2b. Discussion Committee for the 200 GEV Proposal

J.M. Griffith (C), A.H. Morrish, W.T. Sharp, D.J. Brown, D.G. Stairs, F.J. Osborne, G. Cloutier.

25. Committee on Senior Scientific Appointments

H.E. Petch (C), M.P. Bachynski.

26. Committee on Departments of Physics as Corporate Members

L.E.H. Trainor (C)

27. Delegates to the Canadian Committee for the Union of Pure and Applied Physics (IUPAP)

M.P. Bachynski, D.D. Betts.

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1. CAP PROJECTS

1.1 Call for Projects

In the January issue of Physics in Canada the President launched a call for suggestions for pro-jects to be undertaken by CAP:

"... the Canadian Association of Physicists has a continuing role, indeed a responsibi-lity, as the organization which should be best able to represent the physics community and hence, in the best position to determine and promote the role which physics should play in Canadian science... I am therefore appealing to the membership for appropriate projects to be undertaken by CAP. These should be pertinent to the present and futu-re role of physics in Canadian science..."

Following this call three suggestions were received including one from a Canadian physicist residing in the U.S.

1.2 Requests to NRC

Efforts were made to obtain grants to help es-tablish the national office and undertake special projects. A request was submitted by H.E. Petch, then President of CAP, on May 2k, 1968, to the National Research Council for a $10,000 annual grant to help sustain the national office. This request was turned down on June 28, after NRC spe-cifically adopted the policy that it "will not support the operating expenses of a national offi-ce of a scientific society". A detailed request to aid in the establishment of the national office requesting $20,000 in 1968-69, $10,000 in 1969-70, and $5,000 in 1970-71 was submitted to NRC on Sep-tember 28, 1968. This was rejected on November 19, 1968. A third request to NRC for the support of six individual projects (Feasibility study for a computerized directory of Canadian physicists, Study on the sponsorship of summer schools, Help for the establishment of a placement service for physicists, Handbook of Graduate Opportunities in Physics, Summary of research in physics in Canada, Feasibility study for the transfer of editorial responsibilities for the Canadian Journal of Phy-sics to CAP) ranging from $2,000 to $5,000 and to-talling $23,000 was submitted on February 21, 1969. This request was rejected on March 17, 1969-

1.3 Privy Council

Following the unsuccessful attempts to ob-tain support from NRC, the President of CAP, the Honorary Secretary-Treasurer and the Executive Se-cretary met with Dr. J.R. Whitehead of the Science Secretariat, Dr. Sydney Wagner of the Treasury Board and Dr. P.D. McTaggart-Cowan of the Science Council on March 18 to explore possible courses of action.

A letter was sent on April l1», 1969 to the Honorable C.M. Drury, Chairman of the Privy Coun-cil Committee on Scientific and Industrial Re-search, asking for immediate attention to be given to "the support by government of socio-scientific projects by associations such as ours" and asking for a meeting of CAP representatives with Mr. Dru-ry. This letter was accompanied by a detailed brief that considered:

. the current role of CAP in Canadian science;

. the role and activities of the American Insti-tute of Physics (AIP) in the U.S. and the gene-

rous support of the National Science Foundation for projects undertaken by the AIP;

. the role of a scientific society in Canada and the current situation in physics;

. the problem: a vehicle for the support of socio-scientific projects undertaken by scientific as-sociations in Canada;

. recommendations to the effect that responsibility for such projects and the budget to fund these projects should be clearly identified and given to a specific department of government or govern-ment agency to administer. It was also recommen-ded that a fraction of the national budget in a given discipline be set aside — say 1/2? of the total expenditures on R and D — for the support of such projects.

A 90-minute meeting was granted by Mr. Drury to the President of CAP, the Honorary Secretary-Treasurer and the Executive Secretary on June 9, 1969. The role and activities of CAP were detailed and the general problem of support was considered. This meeting can be summarized by quoting from a previous letter of Mr. Drury to the President of CAP on May 13, 1969:

"The role of scientific societies in socio-scientific areas that you speak of in your letter is another question which I intend to have examined further taking account of the limited resources of Canadian scientific so-cieties and the needs and functions of such bodies as the Science Council."

l.U Science Council

A letter and a brief were submitted on April 7, 1969 to Dr. O.M. Solandt, Chairman of the Scien-ce Council, pointing out the lack of available go-vernment grants for undertaking national projects of a socio-scientific nature by Canadian scientific societies and asking if it would be in order for the Science Council to consider the situation and make recommendations. In a letter of May 6, 1969, from the Science Council, CAP was informed that the CAP brief was being referred to Science Council Committee on Physics and Chemistry and that efforts were made to expedite consideration of the CAP brief by the Privy Council Committee on Scientific and Industrial Research.

1.5 Addendum to the CAP Brief to the Senate Committee

The CAP brief to the Senate Committee on Science Policy was submitted in February 1969-This is considered in section 7*3 of this report. After the third CAP request for support from NRC was turned down in March 1969, an addendum to the CAP Brief to the Senate Committee was prepared and submitted in April 1969- This addendum raised the problem of government support for socio-scientific projects undertaken by Canadian scientific socie-ties and incorporated CAP recommendations on the subject.

1.6 Manpower Survey

On July 16, 1968 a proposal was submitted to the Department of Manpower and Immigration for a statistical survey of Canadian physicists. This was turned down on October 7, 1968. On March 28, 1969, another proposal was submitted for a study of the present situation of the supply and demand of physicists in Canada with projection into the se-venties .

Following these exchanges of letters, and re-peated meetings with representatives of the Depart-ment, CAP has been asked to act as a Consultant to

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the Department in an analysis that will include attempts to project Canadian requirements for physicists to 1975 and attempts to utilize data collected by the Department in 1967 in helping to formulate a more suitable questionnaire and to aid in improving in the design of future surveys.

1.7 Educational Project

At the request of CAP Council, a committee has drafted a proposal for a major study on the teaching of physics and the evolution of enrol-ment trends in physics to be undertaken by CAP with the support of special grants to be reques-ted from Foundations. The proposed terms of re-ference of the project are:

1. To survey the developing enrolment trends in physics at both secondary and university le-vels in Canada.

2. To study, evaluate and make recommendations on the effectiveness of physics teaching at the elementary, secondary and university le-vels .

3. At the same time, to examine the factors that determine attitudes towards science, and phy-sics in particular.

The project, under the responsibility of a CAP steering committee, would be conducted by a full-time study group of 4 over a period of 18 months beginning in January 1970 for an estimated cost of some $250,000, provided funds can be ob-tained. The Executive and Council of CAP approv-ed the formation of such a steering committee.

The Ontario Department of Education and the Ontario Institute for Studies in Education have expressed great interest in this study and have assured CAP that they would be pleased to coope-rate in every way possible to ensure its success. The sponsorship of national bodies is being sought before approaching Foundations for finan-cial support.

1.8 Meeting of Scientific and Technical Societies

As a result of the presentation of the CAP brief to the Senate Committee on Science Policy, on June 5, 1969, at the same time as the CIC (Chemical Institute of Canada), CAP and CIC held discussions on matters of joint concern. It has been agreed by CAP, CIC and the EIC (Engineering Institute of Canada) to sponsor a meeting of Canadian scientific and technical societies to answer the question "How can the scientific and technical communities in Canada make their maxi-mum contribution to national decisions on the formulation and continuing implementation of na-tional science policy?" This meeting of scien-tific and technical societies will be held in Ottawa at the end of July. The Executive and Council of CAP approved the formation of a stand-ing committee on science policy.

2. SUBJECT DIVISIONS AND LOCAL SECTION

2.1 New Divisions

Three new Divisions were established this year: this brings to a total of 7 the number of subject Divisions.

The Division of Plasma Physics was approved on September 28, 1968. H.M. Skarsgard and B. Ahl-born are pro-tem Chairman and Secretary-Treasu-rer of the Division.

. The Division of Nuclear Physics was approved on September 28, 1968. G.C. Neilson is pro-tem Chairman of the Division.

. The Division of Educational Physics was approved on February 8, 1969. Walter Thumm is pro-tem Chairman of the Division.

2.2 Membership in Divisions

The membership in the 7 CAP Divisions, as of May 30, 1969, is as follows:

Division of Theoretical Physics 185 Division of Earth Physics 112 Division of Medical and Biological Physics 92 Division of Solid State Physics 183 Division of Plasma Physics 92 Division of Nuclear Physics 10 Division of Educational Physics 122 Total 796

These figures include full, affiliate and student members.

Membership in Local Section:

At present the only active CAP Local Section is that of "Ottawa and Area". It has a total mem-bership of 262. Interests have been expressed by members for the formation of local sections in the Toronto and Vancouver areas.

2.3 Reports from Divisions

(1) THEORETICAL PHYSICS DIVISION

The Division organized a summer school on "Critical Phenomena" in Banff on August 11-31, 1968 (cf. section 6.2 for details).

A regional meeting of the Division of Theore-tical Physics was held at McGill University on No-vember l6, 1968. Sixteen papers were presented at this meeting. The total attendance was 125 approx-imately.

The Division is presently organizing a summer school on "Fundamental Problems in Metals" to be held in Banff on August 11-23, 1969.

(2) DIVISION OF EARTH PHYSICS

The Earth Physics Division held its annual meeting on June 5, 1968 during the CAP Annual Con-gress in Calgary. The following officers were e-lected: B.G. Wilson, Past Chairman; W.L. Godson, Chairman; G.F. West, Vice-Chairman; A.E. Stevens, Secretary-Treasurer. In its scientific programme about 50 papers were presented on June 5 and 6 in two sessions of a symposium on "Particles and the Aurora" and in four sessions of contributed papers in solid-earth geophysics.

At the 1969 Congress in Waterloo, the scienti-fic programme of the Division will include a one-day symposium of about 14 papers on ISIS-I results and'a half-day session of about 14 contributed pa-pers .

(3) DIVISION OF MEDICAL AND BIOLOGICAL PHYSICS

The Division has organized two sessions of pa-pers on medical physics at this congress.

(4) DIVISION OF SOLID STATE PHYSICS

The Division held its first business meeting in Calgary in June 1968.

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The Division held a regional symposium in Hamilton in November 1968. Twelve papers on va-rious aspects of semiconductor physics were pre-sented to an audience of over 50 participants.

The Division has joined with the Division of Theoretical Physics for the organization of the Banff Summer Schools of 1968 and 1969.

(5) DIVISION OF PLASMA PHYSICS

The formation of the Division of Plasma Physics was approved by the CAP Executive on September 28, 1969. It now has a total member-ship of 92. The pro-tem Committee of the Divi-sion is composed of H.M. Skarsgard, Chairman and B. Ahlborn, Secretary-Treasurer. The Division will be holding its first business meeting at the annual congress. Several distinguished plasma physicists have been invited to deliver lectures at the annual congress.

(6) DIVISION OF NUCLEAR PHYSICS

The Division will hold its first business meeting at the annual congress.

(T) DIVISION OF EDUCATIONAL PHYSICS

A total of 122 members have already asked to join the Division. A session of invited papers and a session of contributed papers at the Annual Congress. The first business meeting of the Di-vision will be held at that time.

2.1* Local Section - Ottawa and Area

The Ottawa and Area Local Section of CAP has a membership of approximately 260. The annual general meeting was held at the Communications Research Centre of the Department of Communica-tions on March 25. D.A. Ramsay and J.G. Chambers were elected to succeed H. Preston-Thomas and J.N. Barry as president and secretary-treasurer.

T.F.W. Embleton had acted as judge at the Ottawa Regional Science Fair. The Ottawa and A-rea Local Section of CAP presented an award of $100, plus school trophy and plaque to the high school student submitting the best exhibit on a physical subject at the Ottawa Regional Science Fair, held March 20 and 21, 1969. The winner was Krishna Rajan, a grade 12 student at Lisgar Col-legiate Institute for his study of "Reverse Os-mosis".

The main concern of the Science Education Committee chaired by R.H. Goodman has been the problems of high school physics teaching and a part of the program has been a series of 6 talks to high school teachers by local physicists about recent developments in physics.

A dinner meeting was held on February 19: Dr. P.D. McTaggart-Cowan gave an after-dinner talk on "The Ecology of the Oversupply Syndrome".

Plans for 1969-70 include an expanded pro-gram of dinner meetings. It is also hoped to ex-pand the educational activities to include a co-operative project with the National Museum of Science and Technology.

3. CAP MEMBERSHIP

3.1 Current Membership

The current paid-up membership is made up of 1302 full and affiliate members and 105 student members. These figures do not include 1^7 full and affiliate members in arrears who were approached on 3 separate occasions for the renewal of their mem-bership in CAP. The details on membership are gi-ven in the table I.

At the meeting of the Executive, in April 1969, a motion was adopted to the effect that mem-bers joining in the last half of the year will pay half fees only.

3.2 Membership Campaigns

A membership campaign was launched in some 45 universities and government research laboratories in January 1969. This campaign was initiated by the national office and involved the direct parti-cipation of one or more CAP members in each insti-tution. The new divisions of Plasma Physics and Educational Physics also recruited members indepen-dently.

At the February meeting of Council a motion was adopted to the effect that Councillors will now be given the responsibility for the membership cam-paign in their respective districts.

3.3 Membership Analysis

The classes of membership were redefined and the membership fees increased. The new definition of membership classes was accompanied by a reclass-ification of members: this accounts for the appre-ciable increase in the number of full members and the corresponding decrease in the classes of affi-liate and student members. The increase in member-ship fees is certainly the major factor that ac-counts for the large number of resignations, sus-pensions and also for the large number of members who have fallen in arrears. The number of resigna-tions and suspensions this year was 3 times greater than in the previous year. The number of new mem-bers this year (293) in the classes of full and af-filiate members was twice as large as in the pre-vious year (lltO) mainly as a result of the member-ship campaign.

If one includes student membership, one can say that the total membership has not changed — to within 1% — during the year. This is the net result of recruiting 3^0 new members — i.e. an increase of 25% — and loosing as many through re-signations , suspensions and members falling in ar-rears . The present number of paid-up members in the classes of full and affiliate members is 1302: if one includes members in arrears (1^7) the total membership can be considered to be in excess of lHOO members.

3.4 Membership Accreditation

The membership accreditation procedure has been simplified and speeded up. In routine cases the applicant is informed that his application has been received and that his name is placed on the appropriate mailing lists on an interim basis, subject to final approval by the Membership Commit-tee. The membership card is sent to the applicant after final approval by the Committee.

Members in arrears by more than 4 months are removed from the mailing list of the bulletin. Members in arrears by more than one year are sus-pended.

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TABLE I

MEMBERSHIP - As of May 30, 1969

Pai .d-Up New Resigned April 30/68 Members or Deceased

Full Members 813 210 Vftc)

Affiliate Members 4l7<d} 83 -

Members Without Fees(e' 9 Z —

TOTAL(f' 1239 293 47

Student Members 156 53 10

Corporate Members 21 11 3

Paid-Up Suspended^ In Arrears May 30/69

31 l4T(c) 1055

38 - 214

_JL — — 33

69 147 1302

60 - 105

9 20

(a) More than one year in arrears. Cb) Less than one year in arrears. (c) No breakdown is available between full and affiliate members. (d) This figure is for the former class of associate members. (e) Members over 60 years of age. (f) The horizontal totals do not add up because of the reclassifications

following the redefinition of the new classes of membership.

3.5 Placement Service

A Directory of Employers of Physicists - 1969 has been published in January 1969 by a committee appointed in September 1968 to establish a CAP placement service. This Directory is intended to provide a profile of the present state of employ-ment of physicists in all Canadian institutions from which the Committee could obtain data. The institutions are divided by type, e.g. universi-ties, institutions of post-secondary education, industrial and government research laboratories. The Directory is available free of charge to CAP members.

CAP CORPORATE MEMBERSHIP

4.1 Current Corporate Membership

The following 29 companies are corporate mem-bers of CAP.

. Valeriote Electronics

. Computing Devices of Canada

. Northern Electric Co. Ltd.

. Toronto Star Ltd.

. Radionics Ltd.

. H.G. Acres and Co. Ltd.

. Canadian General Electric Co. Ltd.

. Texaco Canada Ltd.

. Ontario Hydro

. Bell Canada

. MacMillan Bloedel

. R-O-R Associates Ltd.

. Gulf Oil Canada Ltd.

. Bristol Aerospace Ltd.

. I.B.M. Company Ltd.

. Dominion Engineering Works Ltd.

. The International Nickel Co. of Canada Ltd.

. Dow Chemical Ltd.

. Philips Electronics Industries Ltd.

. Polymer Corporation Ltd.

. RCA Limited

. Edwards High Vacuum

. Canadian Westinghouse

. Allan Crawford Associates

. The Steel Company of Canada Ltd.

. Aluminum Company of Canada Ltd.

. Varian Associates

. Spectra Research

. Digital Equipment

4.2 Membership Campaign

Over 250 Canadian companies with interests in research and in the development of science and technology in Canada were invited in January 1969 to join CAP as Corporate Members. A total of 11 new corporate members have been recruited as a re-sult of this campaign. A detailed follow-up on the campaign has yet to be carried.

4.3 Corporate Membership and Departments of Physics

A committee investigated the possibility of inviting departments of physics at Canadian univer-sities to join CAP as corporate members. Four de-partments of physics were approached by the commit-tee and their reaction was generally negative for a variety of reasons.

4.4 Meeting of Corporate Members

A one-day meeting on the subject of "Research in Industry" was held at York University on Friday, February 7, 1969 for CAP Corporate Members and po-tential Corporate Members. This meeting was atten-ded by a total of 75 persons: 47 delegates were from industry and Government; 21 were members of CAP executive and Council; 7 were special guests. Of the 47 delegates, 10 were presidents or vice-presidents of Canadian companies and 30 were direc-tors of research.

The morning session, on "Research in Industry — Current Developments", was chaired by E.W. Vogt, and included the following papers :

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. Opening address by D.D. Betts, Vice-President of CAP;

. Towards a Science Policy, by Roger Gaudry, Vice-Chairman, Science Council of Canada;

. The Relation Between NRC and Industry by W.G. Schneider, President, NRC;

. The Science Secretariat, by J.R. Whitehead, Principal Science Adviser, Science Secretariat;

. The Problems of a Research Director in Industry by M.P. Bachynski, RCA Limited and President of CAP.

The afternoon session, on "Research in Indus-try - CAP Activities", was chaired by L.E.H. Trai-nor, Honorary Secretary-Treasurer of CAP, and in-cluded the following papers :

. Report on the Educational Trust Fund of CAP, by B.G. Hogg, University of Manitoba;

. Applied Physics -n Canada, by A.I. Carswell, York University;

. The Education of Physicists for Work in Industry, by W.A. Pieczonka, Canadian Westinghouse;

. CAP Activities and Projects, by E.W. Vogt, Uni-versity of British Columbia and Vice-President Elect of CAP.

4.5 Future Meetings of Corporate Members

A motion was adopted at the February meeting of Council to the effect that a meeting of corpo-rate members be held next year and that corporate members be involved both in the planning of the meeting and as participants in the meetings. De-legates from the Canadian General Electric Co. and Bell Canada had expressed their willingness to ac-cept an invitation to help plan such a meeting.

5. CAP EDUCATIONAL ACTIVITIES

5.1 The Educational Trust Fund

The Educational Trust Fund is a tax exempt fund where donations from corporate members, in-dividual members and contributions from the gene-ral funds of the Association are accumulated and used for educational purposes such as high school prizes, university prizes, conference and lecture tours for students, and publications on education-al subjects. It is administered by a board of 3 trustees appointed by the Executive of CAP. The minimum fee for corporate membership is presently $100 per annum and the total contribution is eli-gible for income tax deduction as a donation.

Donations made to the ETF since January 1969 can be summarized as follows:

Donations from corporate members (22) $3,575.00 Donations from individual members (71) 650.00 Donations for CAP Lecture Tours

(20 universities) 610.00 Donations for Distinguished Lecture Tour

( 2 universities) 200.00 $5,035.00

Seven corporate members have not yet contri-buted their membership fees to the ETF for the current year.

5.2 Student Affairs

The Committee on Student Affairs organized the CAP Lecture Tours and the university prize ex-aminations reported in detail below.

5.3 CAP Lecture Tours

The 1968-69 CAP Lecture Tour organized by the Student Affairs Committee involved 12 lecturers who visited at a total of 39 universities. The depart-ments of physics of the universities contributed $610.00; this was almost sufficient to meet the tra-vel expenses of $748.50 reimbursed to the lecturers. Details on the tours are given in Table II.

5.1» CAP Distinguished Lecture Tour

Each year CAP tries to engage at least one dis-tinguished lecturer to visit and speak at a number of centers. One such tour was organized in 1968-69 by G.M. Volkoff.

Professor E.L. Hahn of the University of Cali-fornia, Berkeley, gave one of the following two talks :

. "Self-Induced Transparency"

. "Double Resonance Detection of Low Abundance Nuclear Spins"

as he visited the following universities in March 1969:

. Université de Montréal

. Queen's University

. University of Manitoba

. University of Saskatchewan

. Simon Fraser University

A total of $200.00 has been received from 2 u-niversities to help defray the total cost of $930.25 of the Distinguished Lecture Tour.

5.5 CAP University Prize Examination

The CAP university prize examination is a na-tion-wide competition among senior undergraduates studying physics. One purpose of the competition is to stimulate individual scholarship. The overall results reflect the merit of different universities and the examination may be expected to have an ef-fect on the quality of teaching in Canadian univer-sities.

The Educational Trust Fund provides a first prize of $300.00, a second prize of $200.00 and a third of $100.00. In addition, the winner of the first prize receives an expense-paid trip to the annual congress where the prize is presented at the banquet.

In 1969 the examination, organized by Brian Hird, University of Ottawa, was written by 38 stu-dents from l6 universities. The winners are:

First Prize: S.T. Chui, McGill University. Second Prize: M. Henkelman, University of Toronto. Third Prize: Richard Verrall, University of Manitoba

5.6 CAP High School Physics Prize Examinations

All senior high school students in Canada were again given the opportunity to compete in the prize examinations this year. Nine examinations were set in the 10 provinces of Canada with the Prince Edward Island schools joining those of Nova Scotia.

A total of over l800 students from more than 700 schools wrote these examinations.

The leading prize winners are listed below. The first prize winner in each group received $250, the remaining amounts being divided in different ways depending on local circumstances. A total of

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TABLE II

CAP LECTURE TOURS 1968-69

Lecture

A.T. Stewart

A.H. Morrish

M.P. Bachynski

M. W. Johns

G. Thiessen

J.T. Vilson

R.W. Jackson

P.P.M. Meincke

E.W. Vogt

D.D. Betts

J.P. Carbotte

J.B. Warren

Cancelled: Lecture at

Topic

Positrons as a Probe for Solid State Research

Mossbauer Studies of Magnetic Materials

Waves m Plasmas

The Impact of Technology on Nuclear Spectroscopy

Noise Pollution in Historical Perspective

The Current Revolution in Geophysics

The Role of the Physicist in Society

New Ideas in Superconductivity

Meson Factories - The Next Generation in Nuclear Physics

Critical Phenomena - The Physics of Large Scale and Long Lasting Atomic Misbehaviour

The Basic Courses of Superconduction in Metals

TRIUMF and Nuclear Physics

Sir George Williams University and British Columbia Institute

Institutions Visited

University of British Columbia Simon Fraser University University of Victoria Lakehead University

University of Calgary University of Lethbridge Brandon University

University of Alberta University of Saskatchewan (S) University of Saskatchewan (R)

University of Windsor Brock University

University of Western Ontario McMaster University

University of Waterloo Waterloo Lutheran University of Guelph

University of Toronto Trent University Laurentian University York University

Queen's University Royal Military College University of Ottawa Carleton University

University of Montreal University of Laval McGill University University of Sherbrooke Bishops University

University of New Brunswick Mount Allison University Dalhousie University Acadia University

Memorial University St. Francis Xavier University University of Moncton Dalhousie University

University of Manitoba

of Technology.

$3,600 is being awarded in prizes by CAP this year.

These examinations were organized by a Com-mittee chaired by J.S. Fraser of Atomic Energy of Canada Limited, Chalk River. The names of the principal examiners in each province are given in parentheses and the additional contributions are acknowledged. A summary of the participation is also appended in Table III.

Newfoundland (E. Grundke, Memorial University): 1. Peter Budgel - Grand Falls Academy $250 2. Michael Borek - Prince of Wales Coll. $100

3. Geoff Hunt - Prince of Wales Collegiate $50 Four Honorable mentions of $25 each were also award-ed through the generosity of Memorial University.

Nova Scotia and P.E.I. (J.L. Hubisz, St. Francis Xavier University): 1. Aidan Evans - Halifax Grammar School $250 2. Philip K.L. Shun - Halifax Grammar Sch. $150 In addition to the above, 6 prizes totalling $1*50 and one honorable mention were also awarded.

New Brunswick (R. Leblanc, Université de Moncton): 1. Elmer Thompson - St. John High School $250 2. Eric Burton - St. John High School $100

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3. Christopher Wagg - St.John High School $50

Quebec (Guy Roy, Université de Montréal): 1. E.M. Attas - Lower Canada High School $250 2. D.S. Prescott - Lower Canada High School $100 3. R.W. Callon - McDonald High School $50

Ontario (G.R. Hebert, York University): 1. Wm. R. Franklin - Lisgar Collegiate $250 2. Walter Berndl - Silverthorn Coll. Inst. $100 3. Edward Agnew - Milton District H.S. $25 3. Robert Fedosejevs - Lisgar Collegiate $25

Manitoba (M.J. Oretzki, University of Manitoba): 1. Neil F. Falkner - Kelvin High School $250 2. Donald H. Madill - Swan River Collegiate $100 3. John Gemmell - Kelvin High School $50 The University of Manitoba also awarded a total of $200 to the first four candidates. Six honorable mentions were also awarded.

Saskatchewan (R.J. Barton, University of Saskat-chewan, Regina): 1. David Down - Rosetown Composite H.S. $250 2. Reg. McMillan - Bedford Road High Sch. $100 3. David Taylor - Mount Royal Collegiate $50

Alberta (A.W. Harrison, University of Calgary): 1. Bryon Kasper - Eckville High School $250 2. Harvey R. Brown - Hillside High School $100 3. David Richardson - Bonnie Doon High Sch. $50

British Columbia (Richard H. Enns, Simon Fraser University): 1. Charles Vetterli - Smithers Secondary H.S. $175 1. Russell 0. Redman - Claremont Second. Sch. $175 2. Bill Squires - Victoria Oak Bay Sec. Sch. $50 Eight Honorable mentions were also awarded.

5.7 Undergraduate Physics Conference

CAP contributed $1,000.00 for the organization of the Fourth Annual Undergraduate Physics Conferen-ce held at the University of Manitoba on October 25-27, 1968. Six guest speakers were invited at this conference, 15 students presented papers and about 143 student delegates were in attendance.

5.8 CAP Prize at the Canada-Wide Science Fair/ Prix de l'ACP à l'Expo-Sciences du Canada

Un certificat et un prix de $100 ont été décer-nés à Mlle Andrée Mathieu à la huitième Expo-Scien-ces du Canada à Régina en mai 19Ê9- Mlle Mathieu, étudiante à l'Ecole Normale Laval de Mérici , Char-lesbourg, Que. a remporté un premier prix pour son travail sur la conductibilité thermique de diffé-rents métaux. La participation de l'ACP à l'Expo-Sciences du Canada se fait par l'entremise de la Fondation Sciences Jeunesse/Youth Science Founda-tion. Un délégué de l'ACP siège au conseil d'admi-nistration de cette Fondation.

6. CAP MEETINGS, SUMMER SCHOOLS AND PUBLICATIONS

6.1 Meetings and Summer Schools Sponsored by CAP

The following meetings have received the spon-sorship of CAP:

. Seventh International Shock Tube Symposium, held at the University of Toronto on June 23-25, 1969.

. Summer School on "Diffractive Processes" to be held at the Institute of Theoretical Physics of McGill University on July 7-18, 1969.

TABLE III

CAP HIGH SCHOOL PHYSICS PRIZE EXAMINATION - 1969

PROVINCE EXAMINER SCHOOLS SCHOOLS STUDENTS

CONTACTED PARTICIPATING WRITING

138 39 l6l

- 8 25

- 136

100 29 87

96 (a ) 372

610 270 505

br 46 74

- 60 96

290

139

72

71

205

168

Newfoundland

Prince Edward Island

Nova Scotia

New Brunswick

Quebec

Ontario

Manitoba

Saskatchewan

Alberta

British Columbia

Grundke (Memorial)

Hubisz (St.Francis Xavier)

Hubisz (St.Francis Xavier)

LeBlanc (Moncton)

Roy (Montreal)

Hebert (York)

Oretzki (Manitoba)

Barton (Regina)

Harrison (Calgary)

Enns (Simon Fraser)

TOTAL 1420 68U 1829

(a) This includes many schools from 65 regional school boards, counted as 65 units only.

(b) This includes many schools from 24 regional school boards, counted as 2b units only.

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. Banff Summer School on "Fundamental Problems in Metals" to be held in Banff on August 11-22, 1969. It is organized jointly by the Division of Theoretical Physics and the Division of Solid State Physics with the cooperation of Simon Fra-ser University.

. International Conference on Properties of Nu-clear States — Conference internationale sur les états nucléaires qui aura lieu à l'Univer-sité de Montréal du 25 au 30 août 1969.

. International Quantum Electronics Conference to be held in Montreal on May 8-11, 1972.

6.2 Banf Summer School on Critical Phenomena

A summer school on "Critical Phenomena" held at Banff on August 11-31, 1968, was organized by the Division of Theoretical Physics and the Divi-sion of Solid State Physics of CAP. There were 140 participants, 1*7 contributed talks and 13 lec-turers. Ahout 106 participants came from outside Canada. The financial support from NATO, NRC, AECL, the University of Alberta and the Government of Ontario amounted to a total of $27,125.00. A-bout 55# of the expenses of the participants were paid out from summer school funds and from funds of other granting agencies; the remaining 45% of the expenses were paid by the participants.

6.3 High Energy Physics

The High Energy Physics Committee of CAP or-ganized, with the support of NRC, a conference on "Particle Interactions at High Energy" at the Uni-versity qf Toronto on March 28-29, 1969. Six in-vited speakers from the U.S. were present; the to-tal attendance was 110 approximately.

6.It Applied Physics

The Committee on Applied Physics met on No-vember 18, 1968. The major item considered was the trip of A.I. Carswell and W.A. Pieczonka to attend the international seminar on "The Education of Physicists for Work in Industry". This confe-rence was held in Eindhoven, Netherlands, in De-cember 1968. The attendance of the CAP represen-tatives was made possible through the support of special grants from the Department of Industry and the Canadian Commission for UNESCO.

On February 7 the Committee assisted the CAP Executive in holding a meeting of CAP Corporate Members at York University; Carswell and Pieczon-ka also presented papers on "Applied Physics in Canada" and "The Education of Physicists for Work in Industry" at the session on "Research in Indus-try - CAP Activities".

6.5 Sponsorship of Summer Schools

A special committee of CAP has prepared a re-port on "A Policy for Support of Summer Institutes in Canada". This report considers the objectives and the development of summer institutes in Canada and contains recommendations on:

. the funding requirements and sources of funds,

. the selection procedure,

. the management practices, and

. the CAP involvement in summer institutes.

This report was approved at the Council meet-ing in Waterloo.

6.6 Physics in Canada

Last year Physics in Canada was expanded from 4 to 6 issues a year; this year it has been expand-ed to a larger format primarily to accommodate ad-vertisers. Advertising revenues have been increas-ing with the new format and have attained an all time high of $1513 with the issue of March 1, 1969; the net cost of that issue was only $217. The fol-lowing comparison between the last two issues in the old format and the first two issues in the new format illustrates the situation. See Table IV.

The advertising potential is appreciably great-er in the new format. The recent increase in postal rates has increased the cost of mailing of Physics in Canada by a factor of 3.5, i.e. from about $50 to about 1ÏT0 per issue.

Erich Vogt has completed a three-year term as Editor of Physics in Canada. A new Editor will be appointed.

6.7 Subscriptions to Journals

Members can subscribe to journals at reduced costs. The following number of subscriptions, as of May 1969, have been processed at the national office.

. Canadian Journal of Physics (CJP) 637

. Canadian Journal of Earth Sciences (CJES) 80

. Contemporary Physics 54

. The Physics Teacher 59

. Physics in Medicine and Biology 87

Total 917

The regular subscription price for CJP and CJES will be $15.00 and $9.00 respectively instead of $15.00 and $6.00 as of January 1, 1970. The re-duced subscription prices for CAP members will then be $7.50 and $4.50 respectively instead of $3.00

TABLE IV

PHYSICS IN CANADA

Old Format

Average of last 2 issues (Sept. and Nov. 1968)

New Format

Average of first 2 issues (Jan. and March 1969)

Total Cost

$1297

$1774

Advertising Credit

$ 953

$1400

Net Cost to CAP

$344

$374

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6.8 Annual Congress

At the annual congress in Calgary last year 2Jk papers were presented and 516 people register-ed.

This year 37 invited papers and 21*6 contribu-ted papers are on the programme, for a total of 283 papers. A total of 5U8 have registered at the Waterloo meeting. A total of 25 manufacturers and distributors of scientific equipment and book pu-blishers had exhibits on display.

6.9 Future Congresses

The next annual congress of CAP will be held at the University of Manitoba on June 1970. This congress will be held jointly with the Ameri-can Physical Society.

Invitations are solicited for future congres-ses beyond 1970.

7. CAP SCIENCE POLICY AND RELATED ACTIVITIES

7.1 CAP Brief to the Senate Committee on Science Poli-cy

During the fall of 1968 a survey was conduct-ed among CAP members ; they were asked to fill out a questionnaire and to express personal views on special aspects of science policy. The response was gratifying: about 300 members completed the questionnaire and in many cases members presented their own ideas in some detail. The questionnaire answers made it evident that the Rose Report still represented in large measure the thinking of the Canadian physics community. The major new ele-ments were an increased concern about physics edu-cation and about the social responsibility of the scientist.

The CAP brief, in both English and French versions, was submitted in early March to the Spe-cial Committee of the Senate on Science Policy. Soon after submission the financial problems of CAP came to a head and it became evident that our brief lacked completeness in one important detail, viz. it did not raise the problem of government support for the scientific societies to enable them to carry out socio-scientific studies in the public interest. An addendum on federal support of scientific societies was quickly prepared and submitted to the Senate Committee.

The brief itself stressed the central role played by physics in the spectrum of the sciences. It emphasized the three major objectives of phy-sics education and research: the cultural, social and economic objectives. The brief contained a number of general recommendations which in the main re-enforced the recommendations of the Rose Report, but added emphasis to the need for a physics education, not only for those who choose to remain in teaching and research, but also for those who end up pursuing managerial careers of one kind or another.

The brief was presented to the Senate Commit-tee on the evening of June 5, 1969- The Chemical Institute of Canada also presented a brief on that evening and the two briefs were questioned simul-taneously. The CAP brief was well received but it is difficult to ascertain any real impact. Dis-cussion was largely centered on the question of structure — how could the many voices of science be brought to bear upon government policy? Needs

seemed to be taken for granted and emphasis given instead to ways and means. A side benefit of the session was the coming together of CAP and CIC on matters of joint concern. It has been agreed by CAP, CIC and the EIC (Engineering Institute of Ca-nada) to sponsor a meeting at the end of July of scientific and technical societies to answer the question: "How can the scientific and technical communities make their maximum contribution to na-tional decisions on the formulation and continuing implementation of national science policy?"

7.2 Senior Scientific Appointments

CAP was asked, on different occasions during the course of the year, to make recommendations on senior scientific appointments in the Federal Go-vernment. The recommendations of a special commit-tee of CAP were passed on to the appropriate author-ities .

7.3 NRC Advisory Committee on Physics

At the request of NRC, CAP submitted the names of 1+ members to be appointed on the NRC Advisory Committee on Physics which will "advise (NRC) Coun-cil on all matters relating to physics in Canada, including support to physics research in universi-ties, in industry and in the Council's own laborato-ries". The 1* CAP members appointed by NRC on this committee were M.P. Bachynski (RCA Limited), W.N. English (B.C. Research Council), E.P. Hincks (Car-leton University), and F.D. Manchester (University of Toronto). The Chairman of the committee is J.M. Robson (McGill University) and the Secretary of the committee is J.R. Keyston, Executive Assistant to the President (NRC).

7.1+ IUPAP

Three CAP representatives attended a meeting, in Ottawa in March 1969, of the Canadian Committee for IUPAP (International Union for Pure and Applied Physics). Five Canadian delegates were chosen to attend the General Assembly of the IUPAP to be held in Dubrovnik, Yugoslavia, on September 11-13, 1969; 8 Canadian physicists were suggested for positions on commissions of IUPAP; the Canadian financial contribution to IUPAP was considered. The President of CAP suggested to the Chairman of the Canadian Committee that 3 CAP officers (the President, the Vice-President and the Vice-President-Elect) should be members of the Canadian Committee for IUPAP to ensure greater continuity. The Chairman of the Ca-nadian Committee will bring this to the attention of NRC. (Appointments to the Canadian Committee for IUPAP are made by NRC.)

8. CAP HONOURS

8.1 CAP Award for Achievement in Physics/ Médaille de l'ACP pour contribution exceptionnelle à la physique

La médaille de l'ACP décernée chaque année à un physicien canadien éminent a été attribuée cette année à M. Larkin Kerwin de l'Université Laval.

8.2 Report on Prizes and Honours

A special Committee on Prizes and Honours has considered and submitted recommendations on:

. the basis for the award of the CAP medal for a-chievement in physics;

. the procedure to be followed in requesting nomi-nations for this award;

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the designation and name of the award; the regulations for the award; the establishment of a second award; and on the establishment of a class of fellows.

9. CONSTITUTION

9.1 Amendments approved

The amendments to the by-laws adopted at the Annual General Meeting on June 6, 1968 have been approved by the Minister of Consumer and Corpora-te Affairs as of February 13, 19^9.

9-2 Bilingual Name and Constitution

A motion of amendment to the by-laws of the Association will be submitted to the Annual Gene-ral Meeting to the effect of changing the name of the Association from "Canadian Association of Phy-sicists" to "Canadian Association of Physicists/ Association canadienne des physiciens". The by-laws of the Association will also be available in French.

10. THE NATIONAL OFFICE

The national office was opened at 151 Slater Street in Ottawa on May 15, 1968. CAP shared ini-tially a three-room suite of 450 square feet with COJR (Canadian Organization for Joint Research). A common secretarial assistant was also shared on a 50/50 basis from May 1968 to January 1969. An add-itional clerk-typist was hired on a temporary basis from January 1969 to April 1969 and on a permanent basis afterwards. CAP now uses the whole three-room suite and has a full-time staff of 3, i.e. 1 execu-tive, 1 secretarial assistant and 1 clerk-typist.

The President and Executive Secretary have been authorized by the Executive, on April 19, 1969, to negotiate a one- to two-year lease for suite 903 at 151 Slater Street.

11. EXCERPTS FROM THE AUDITED FINANCIAL STATEMENTS

STATEMENT OF REVENUE AND EXPENSE

YEAR ENDED APRIL 30, 1969

(with comparative figures for the year 1968)

GENERAL FUND

Revenue :

1968-69

Membership fees Journal subscriptions "Physics in Canada" Meetings (net) Investment income Miscellaneous

Expenses : Depreciation Employee benefits Interest and bank charges Journals Legal and audit Medals and prizes Miscellaneous Office Supplies Pension plan Printing and postage "Physics in Canada" Salaries Special tour and committee expenses Student affairs committee Telephone and telegraph Travel and moving expenses of the Executive Secretary Travel expenses of executive and other committees

Loss on sale of investments

Excess of disbursements over receipts

$22,640 3,025 6,157 1,405 295 510

$34,032

754 593 384

2,717 500 194

1,028 643

1,466 5,316

10,119 21,324

876 1,967 1,574

$49,455

15,423

1,028

$16.451

1967-68

$14,509 3,139

(653) 333

$17,328

42

269 3,156

1,284 928

3,051 1,650 1,998 1,222 2,606

407

$ 407

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EDUCATIONAL TRUST FUND

Receipts : Donations - corporations

- members Donations for T.P.D. Seminar Donations for Lecture Tours Refund from 4th U.P.C. Donations for CAP High School Prizes Bank interest received

1968-69

$ 4,824 665

810 333

83 $ 6,715

1967-68

$ 3,825 1,119

450

400 18

$ 5,812

Disbursements : T.P.D. Seminar expenses CAP High School Prizes CAP University Prizes Other fund expenses Lecture Tour expenses (CAP and Special) Expenses of 4th U.P.C.

Excess of disbursements over receipts (receipts over disbursements) Balance at beginning of year

Balance at end of year

4,260 600 282

1,932 1,000

$ 8,074

1,359 5,067

$ 3,708

1,700 3,730

63

$ 5,493

(319) 4,748

$ 5,067

12. NEW EXECUTIVE AND COUNCIL

Nominations were proposed by the Nominating Committee for election of members of Executive and Council. Additional nominations were solicited and received from the membership at large. Fol-lowing these nominations a postal ballot was held

for the election of Councillors in three electoral districts. The ballots returned to the national office were counted by a Teller Committee appointed by the Executive. As a result of this, the Execu-tive and Council of CAP for 1969-70 will be compos-ed as follows :

EXECUTIVE/EXECUTIF: 1969-70

President Past President Vice-President Vice-President Elect Honorary Secretary-Treasurer Director - Members Director - Affiliates Director - Students Editor Division Chairmen:

Theoretical Physics Earth Physics Medical and Biological Physics Solid State Physics Plasma Physics Nuclear Physics Physics Education

C0UNCILL0RS/C0NSEILLERS: 1968-70

•D. Betts -P. Bachynski •W. Vogt Boivin

•E.H. Trainor Cloutier

M.K. Straka R. McElroy D.E. Brodie

L. Gauvin G.F. West P. Bird J.F. Cochran R. Nodwell G.C. Neilson W. Thumm

University of Alberta RCA Limited, Montreal University of British Columbia Université Laval University of Toronto Hydro-Québec, Montreal Ontario Department of Education University of Waterloo University of Waterloo

Université Laval University of Toronto Dept. of National Health and Welfare Simon Fraser University University of British Columbia University of Alberta Queen's University

British Columbia and Yukon Alberta Saskatchewan and Manitoba Ontario - Southwest Ontario - Central and North Ontario - East Quebec New Brunswick and Newfoundland Nova Scotia and Prince Edward Island At large

A.V. Gold A.W. Harrison R.D. Connor G. Szamosi D. Frood A.G. McNamara J. Yahia G.R. DeMille C.K. Ross W.A. Pieczonka

University of British Columbia University of Calgary University of Manitoba University of Windsor Lakehead University National Research Council, Ottawa Université de Montréal University of New Brunswick Bedford Institute Canadian Westinghouse, Hamilton

(1) The Vice-President Elect automatically succeeds to the office of Vice-President. (2) Appointed by Council. (3) Elected by their respective Divisions.

Page 36: The Bulletin of the Canadian Association · The Bulletin of the Canadian Association of Physicists Volume 25 No, ... RADIONIC LTD. 19S , ... science tha tht qualite o thfy laboratoriee

COUNCILLORS/CONSEILLERS : 19É9-71

British Columbia and Yukon Alberta Saskatchewan and Manitoba Ontario - Southwest Ontario - Central and North Ontario - East Quebec New Brunswick and Newfoundland Nova Scotia and Prince Edward Island At large

H.W W.J

Dosso McDonald

J. Llewellyn W. Leech Atherton H. Montague Lefaivre

D. Smith Kiang

J. Kriegler

University of Victoria University of Alberta University of Saskatchewan University of Waterloo Ferranti-Packard, Toronto Queen's University Université de Sherbrooke Memorial University Dalhousie University Northern Electric, Ottawa

Page 37: The Bulletin of the Canadian Association · The Bulletin of the Canadian Association of Physicists Volume 25 No, ... RADIONIC LTD. 19S , ... science tha tht qualite o thfy laboratoriee

Higher resolution spectroscopy begins That's all we need to send you information about three remarkably capable and versatile new instruments for high count rate and higher-order resolution in spectroscopy experiments: the compact, room-temperature 120 Preamplifier, w i th linear and t iming outputs, intercept as low as 450eV ; the Model 450 Research Amplifier, our finest amplifier, w i th baseline restorer, gain range 2.5 to 3000, 3.0 MV RMS noise for a 3-Msec time constant, three outputs including a unique fast bipolar output, plus a flexible array of 10 pulse shaping time constants to permit optimizing total system performance ; and the Model 444

/Gated Biased Amplifier, w i th bui l t- in stretcher, pulse pileup rejection, DC coupling or AC coupl ing wi th DC restoration, and an output pulse shaped and timed to provide compatibi l i ty w i th your ADC.

Just fil l out the coupon and we' l l fi l l you in on the details. Or call our Technical Information Center at (615) 482-1006. In Europe : ORTEC GmbH, 8 Munchen' 1 3, / Frankfurter Ring 81. Telephone / (0811) 359-1001.

with your name and address.

/ /

Represented in Canada by

Radionics Ltd., 195 Gravel ine St., Montrea l 376, P.Q., 505 Egl inton Ave. W., Toronto 305, Ont. , 376 Churchi l l Ave. , O t tawa 3, Ont. , 3067 Chemin des Quatre-Bourgeois, Quebec 10, P.Q., 2182 W. 12th Avenue, Vancouver 9, B.C. Charles W. Fowler Co. (British Columbia), 845 106th Ave. , N.E. Bellevue, Wash. 98004

Page 38: The Bulletin of the Canadian Association · The Bulletin of the Canadian Association of Physicists Volume 25 No, ... RADIONIC LTD. 19S , ... science tha tht qualite o thfy laboratoriee

KINNEAR d'ESTERRE JEWELLERS Designers in Gold and Precious Gems

MAKERS OF CANADIAN ASSOCIATION OF PHYSICISTS GOLD MEDAL

168 Princess Street — Kingston, Ontario Since 1906

McGILL UNIVERSITY

Faculty of Medicine

with its Teaching Hospitals, is planning an expanded and modern Radiation Therapy Centre.

Radiological and health physicists are required to supervise planning, installation, and running of new therapy equipment.

Undergraduate and post-graduate teaching re-sponsibilities are also involved.

Please reply to Dr. Jean Bouchard, Professor and Chairman, Department of Therapeutic Radiology, Faculty of Medicine, McGill Uni-versity, c / o The Royal Victoria Hospital, Montreal, P.Q.

PHILIPS+ means E V E R Y T H I N G IN SINGLE CRYSTAL DIFFRACTION EQUIPMENT AND SYSTEMS Philips are pleased to announce that they now distribute STOE Single Crystal Diffraction prod-ucts in Canada . . . a fine addition to the Philips range of analytical x ray equipment.

Send for details:

AVAILABLE — • Two-Circle Optical

Goniometer • Buerger Precession

Goniometer • Weissenberg Goniometer • High and Low Temperature

Attachment for Precession and Weissenberg Gonio-meters

Manual Single Crystal Diffractometer Automatic Single Crystal Diffractometer Eulerian Cradles Special Goniometer Heads Other Single Crystal Devices

P H I L I P S E L E C T R O N I C S I N D U S T R I E S LTD. RESEARCH A N D CONTROL I N S T R U M E N T S DEPT.

116 VANDERHOOF AVENUE TORONTO 17, ONTARIO, (416)425-5161

Page 39: The Bulletin of the Canadian Association · The Bulletin of the Canadian Association of Physicists Volume 25 No, ... RADIONIC LTD. 19S , ... science tha tht qualite o thfy laboratoriee

18°

20 PPM ACCURACY AT 23° AND

22' Model 332B

23°C 30 PPM ACCURACY

24c

28 '

OVER A 10°C RANGE!

Model 335A

Ordinary room temperatures are just dandy for Fluke cal ibrators. For instance, our Models 332B and 335A are speci f ied to an accuracy of 20 ppm at 23° C. And, in typical room environments, accuracy is degraded by only 10 ppm.

How accurate should a calibrator be? Natura l ly , every eng ineer wants the most accura te cal ibrator he can get for his dollar. At Fluke we believe the best p r ice /per fo rmance tradeoff is 20 ppm. This performance provides a 5 to 1 accuracy ratio for cali-brat ion of 0.01 % instruments. At the same time, it al lows our engineers to design instruments whose accuracy can be maintained with a minimum of external equipment. We estimate that 10 ppm cal ibrators on the market today require about $6,000 worth of extra test equipment to keep them on line.

What calibrator should I buy? If your requirements are only for a cal ibrator, compare the Fluke 332B with any other unit on the market. If a mult iple purpose instrument is your need, give the hard eye to the Fluke 335A DC Voltage Calibrator, Differen-tial Voltmeter and Null Detector.

Models 332B and 335A measure and supply dc voltages from 0 to 1100 volts with an output of 0 to 50 ma. Accuracy is 20 ppm. Stabil i ty is 20 ppm per year. Line variat ion of ± 1 0 % under load from 0 to 50 ma wil l not signif icantly degrade the 0.002% accuracy. Overcurrent protect ion automatical ly l imits output current at any present level between 1 ma and 60 ma. Any voltage with-in the range of the instrument can be selected as an overvoltage tr ip point. Ripple and noise are less than 40 IjV rms on the 1000 volt range. Model 335A offers an accuracy of 20 ppm used as a dif ferential volt-meter. The Model 335A can be used as a null detector and voltage source simultaneously with no interaction. An output meter al lows the user to read voltage or current at a glance. Price of the Model 332B is $2295, the Model 335A, $2485.

More information Your local Fluke sales engineer wi l l be happy to go over his " te l l -a l l " compar ison chart with you, provide complete l iterature and arrange a demonstrat ion of these units. His name and number are listed in EEM and EBG. Or you may contact us direct ly if it's easier.

Fluke represented by Al lan Crawford Associates, Ltd., 65 Mart in Ross Avenue, Downsview, Ontario, Canada. Telephones: Montreal, 739-6776:

Ottawa, 725-1288; Toronto, 636-4910; Vancouver. 298-6242.

IFLUKEI

Page 40: The Bulletin of the Canadian Association · The Bulletin of the Canadian Association of Physicists Volume 25 No, ... RADIONIC LTD. 19S , ... science tha tht qualite o thfy laboratoriee

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LEVEL

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What is a Nim-Standard

Scimitar? LEVEL

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INT

EXT. STROBE I N

INPUT I f ^

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SINGLE C H A N N E L A N A L Y Z E R

F I N E GAIN

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A Scimitar is a trusty companion, / ^ ^ ^ ^ simple yet sturdy in design. Constructed as a precision instrument, it is rewardingly easy to use. The clean lines conceal a wealth of engineering artistry in the tempered selection and use of materials. Scimitars accompany prudent explorers on exotic journeys of discovery. The complete line made by Simtec conforms to NIM-standards ^ ^ ^ ^ set by AEC 20893 and was developed in co-operation ^ ^ H § j | Y l t ô C l t d with AECL Chalk River Nuclear Laboratories. It is m Q Metropo(itan Blvd East

one of the least costly weapons that you can buy. ^ ^ ^ ^ Montreal 455, Canada Tei:(5i4) 728-4527