Person Foster; John Stuart (1890 - 1964); physicist Foster John Stuart physicist 1890 - 1964 Canadian Male Clarence, Nova Scotia, Canada 28 May 1890 18900528 Berkeley, California, USA 09 September 1964 19640909

Physicist Experimental spectroscopy Physics Education: Pictou Academy; Acadia and Mount Allison Universities; Yale; PhD 1924 Career: Assistant Professor of Physics, McGill University, Montreal, Canada (1924); Professor of Physics, McGill University, Montreal, Canada (1930); Loomis, Sterling, National, International Research Fellowships (Copenhagen); served as a liaison officer for the National Research Council, working at the MIT-run Radiation Laboratory on radar research and development (1939-1945); directed the construction of a 100-MeV cyclotron (1944); chairman of the physics department, McGill University (1952-1954). Awards/Medals: Levy Medal 1930 Henry Marshall Tory Medal 1946 Spouse: (m. 1920) Flora Curtis Children: John S. Foster Jr. Made important contributions to the study of the "Stark effect". His most important contribution to the war effort was a rapid scanner now known as the Foster scanner. The crater Foster on the Moon is named after him. Fellow 16/05/1935 45 Alfred Fowler Niels Bohr John Cunningham McLennan Frank Watson Dyson Ernest William Brown James A Gray Ralph Howard Fowler Ernest Rutherford Robert Williams Wood Frank Dawson Adams Owen Willans Richardson John Stanley Plaskett Arthur Stewart Eve Sources: Bulloch's Roll The Canadian Encyclopedia [URL: https://web.archive.org/web/20060512063414/http://thecanadianencyclopedia.com/index.cfm?PgNm=TCE&Params=A1ARTA0002996; last accessed: 17/09/2025] Obituaries: Biographical Memoirs of Fellows of the Royal Society 1966 vol 12 pp 147-161, plate, by R E Bell References: D C Martin, 'Visit by the Assistant Secretary to some North American Scientific Institutions' in NR 1952 vol 9 pp 356-364 International Standard Archival Authority Record for Corporate Bodies, Persons and Families - ISAAR(CPF) - Ottawa 1996 ISBN 0-9696035-3-3 National Council on Archives, Rules for the Construction of Personal, Place and Corporate Names, 1997 https://royalsocietypublishing.org/doi/10.1098/rsbm.1966.0006 https://royalsocietypublishing.org/action/doSearch?ContribAuthorRaw=Foster%2C+John+Stuart 28 May 1890 - 9 Sep 1964 The past Fellows entries are under continuous revision. If you have queries or additional information to contribute, please contact Library@royalsociety.org. Content in external sources is not controlled by the Royal Society and historical sources may include content that is now unacceptable. Reviewed on 17/09/2025 as part of the Name Authority Project update. NA766 21/11/2001 Andyg Pmab 17/09/2025 RS_NET\VidaM Yes eb68c320-247c-4f61-8f75-7b2bb330cde8