(1907–83), British art historian who served as a double agent for Soviet Union. Blunt became a Communist while at Cambridge University in England in the 1930s. He was an associate of Guy Burgess, Kim Philby, and Donald Maclean. Early in World War II he joined British intelligence (MI5). He helped Burgess and Maclean flee to Moscow in 1951. He confessed his Soviet connections to British authorities in 1964. Blunt's past was made public in 1979. (See also Espionage.)