div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=canadian-association-of-physicists-tenth-annual-congresshtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Canadian Association of Physicists: Tenth Annual Congress loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentssitereader031viewer2022020405575068031a28ab0f07ae30ffhtml5thumbnails1jpg width=140 height=200 divp© 1955 Nature Publishing Grouppdiv