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.
Vladimir Aleksandrovich Pozner Vladimir Aleksandrovich Pozner (Russian: Влади́мир Алекса́ндрович По́знер ), (1908—1975) was a Russian Jewish émigré to the United States. During World War II he spied for Soviet intelligence while being employed by the United States Government.