The Cambridge Five was a spy ring in the United Kingdom that passed information to the Soviet Union during the Second World War and the Cold War and was active from the 1930s until at least the early
Kim Philby, as depicted on a Soviet Union stamp
House 179 at Frunze Street, Samara, where Burgess and Maclean lived covertly in 1952–1955, commemorative plaque later installed
The Secret Intelligence Service, commonly known as MI6, is the foreign intelligence service of the United Kingdom, tasked mainly with the covert overseas collection and analysis of human intelligence
SIS Building, the headquarters of MI6 in London
54 Broadway, SIS headquarters from 1924 until 1964
A young Englishman, member of the Secret Intelligence Service, in Yatung, Tibet, photographed by Ernst Schäfer in 1939
Operation Gold: the Berlin tunnel in 1956