The best-known members of this "Cambridge Comintern," after Philby, were Donald Maclean, Guy Burgess, and Anthony Blunt—the last publicly identified only in 1979 as the long-suspected "fourth man." ...
The members of the ring were Donald Maclean (1913 - 1983), Guy Burgess (1911 - 1963), Harold 'Kim' Philby (1912 - 1988) and Anthony Blunt (1907 - 1983). Several other people have been suggested as ...