When did the double agent who was recruited by Arnold Deutsch defect to the Soviet Union ?
Kim Philby Harold Adrian Russell "Kim" Philby (1 January 1912 – 11 May 1988) was a high-ranking member of British intelligence who worked as a double agent before defecting to the Soviet Union in 1963. He served as both an NKVD and KGB operative.
Abdurrahman Fatalibeyli Abdurrahman Fatalibeyli (birth surname Dudanginski, (Russian: Абдулрахман Фаталибейли-Дудангинский , Azerbaijani: "Ədrürrəhman bəy Fətəlibəyli-Düdənginski" ) or Abo Alioglu Fatalibeyli-Dudanginsky Або Алиевич Дудангинский / "Əbo Əliyeviç Düdənginski"), born Abo Dudanginski (June 12, 1908, Dudanga – November 1954, Munich) was a Soviet army major who defected to the German forces during World War II.