1912-1988. British intelligence officer from
1940 and Soviet agent from 1933. He was
liaison officer in Washington 1949-51, when
he was asked to resign. Named in 1963 as
having warned Guy Burgess and Donald Maclean
(similarly double agents) that their
activities were known, he fled to the USSR,
and became a Soviet citizen and general in
the KGB. A fourth member of the ring was
Anthony Blunt.