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.
Sergei Ogoltsov Sergei Ivanovich Ogoltsov ("Сергей Иванович Огольцов" in Russian; August 29, 1900 – October 26, 1976) was a Russian member of the Soviet NKVD from 1936 until it was reorganized as the MGB in 1946. He served in the MGB until his arrest in 1953. He was the Deputy Director of State Security (MGB) from July 14, 1951 to August 9, 1951. By the time he was arrested in 1953 he had risen to the rank of Lieutenant General in the NKVD. He was released from prison in 1953 after a short arrest and he retired from the MGB. He died in 1976.