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.
Robert Edward Webster Robert Edward Webster (October 23, 1928—November 11, 1999) was an American technician of the Cleveland, Ohio-based Rand Development, who defected to the Soviet Union in 1959 and returned to the United States in 1962. Webster was born in Tiffin, Ohio and educated in Pennsylvania. He served in the United States Navy during World War II.