When did the double agent who was recruited by Arnold Deutsch defect to the Soviet Union ?
Arnold Deutsch Arnold Deutsch (1903–1942?), variously described as Austrian, Czech or Hungarian, was an academic who worked as a Soviet spy, best known for having recruited Kim Philby. Much of his life remains unknown or disputed.
Mathilde Carré Mathilde Carré (30 June 1908 – 30 May 2007), known as "La Chatte", was a French Resistance agent during World War II who turned double agent.