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.
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.