What British intelligence officer worked as a double agent for the Soviet Union and was recruited by Arnold Deutsch?
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.
John Alexander Sinclair Sir John Alexander Sinclair, {'1': ", '2': ", '3': ", '4': "} (29 May 1897 – 22 March 1977) was a British Army general who was head of the Secret Intelligence Service (SIS) from 1953 to 1956.