British intelligence officer from 1940 and Soviet agent from 1933. He was liaison officer in Washington 194951, when he was confirmed to be a double agent and asked to resign. Named in 1963 as having warned Guy Burgess and Donald Maclean (also double agents) that their activities were known, he fled to the USSR and became a Soviet citizen and a general in the KGB. A fourth member of the ring was Anthony Blunt.
His autogiography,
My Secret Life was published in 1968.
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