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Israel Halperin

Israel Halperin
Born (1911-01-05)January 5, 1911
Toronto, Ontario, Canada
Died March 8, 2007(2007-03-08) (aged 96)
Doctoral advisor Salomon Bochner and John von Neumann
Doctoral students George Elliott
Notable awards Henry Marshall Tory Medal (1967)

Israel Halperin, CM FRSC (January 5, 1911 – March 8, 2007) was a Canadian mathematician and social activist.

Israel Halperin was born in Toronto Ontario, the son of Russian immigrants Solomon Halperin and Fanny Lundy, Halperin attended Malvern Collegiate Institute,Victoria University in the University of Toronto, graduated from the University of Toronto in 1932, and later was a graduate student of John von Neumann at Princeton University, where he finished his doctorate.

Halperin took a faculty position at Queen's University beginning in 1939. Halperin joined the Canadian Army in 1942, serving until 1945 in Ottawa with the Canadian Armament Research and Development Establishment (CARDE). He then returned to Queen's.

In February 1946, Halperin was arrested and accused of espionage in Canada, in connection with the defection of Igor Gouzenko, a Soviet cipher clerk, which occurred in Ottawa in September 1945. Gouzenko's defection and subsequent investigation showed that the Soviet Union was carrying on large-scale spying in Canada and the United States, including nuclear weapons espionage.


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