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.
Mikhail Ankudinov Mikhail Tikhonovich Ankudinov (September 9, 1905 – January 1974) was a Soviet military intelligence officer during World War II. He served as head of the intelligence directorate of the Leningrad Military District in 1950-1962 and retired from the Soviet Army as a lieutenant-general in 1963.