div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Prof E B Elliott FRS src=https:reader035fdocumentpubreader035viewer2022081823575067d91a28ab0f07ad70b9html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© 1937 Nature Publishing Grouppdiv