1907-1983. British art historian and double
agent. As a Cambridge lecturer, he recruited
for the Soviet secret service and, as a
member of the British Secret Service 1940-45,
passed information to the USSR. In 1951 he
assisted the defection to the USSR of the
British agents Guy Burgess and Donald Maclean
(1913-83). He was author of many respected
works on French and Italian art. Unmasked in
1964, he was given immunity after his
confession. He was stripped of his knighthood
in 1979 when the affair became public. He was
director of the Courtauld Institute of Art
1947-74 and Surveyor of the Queen's Pictures
1945-1972.