He emerged from his Notting Hill flat again an hour later at 5.40pm and ‘explored the ... the reason the fifth man in the infamous Cambridge spy ring remained free for all of his 82 years ...

Case details and confessions from some of the members of the so-called Cambridge Five spy ring have also been provided to the National Archives as part of the exhibit. Kim Philby, Anthony Blunt ...

Philby, Maclean, Blunt and 'fifth man' Cairncross became synonymous with treachery at the heart of the British establishment. A KGB agent names the Cambridge spy ring's 'fifth man'.

Philby and Blunt were, along with Guy Burgess, Donald Maclean and John Cairncross, part of the "Ring of Five ... seen as the Cambridge Five's ringleader and who became a senior figure in Britain's ...

Britain's National Archives also released files regarding a spy ring linked to Cambridge University in the 1930s. Queen Elizabeth II was not told about her long-time art adviser's double life as ...

The members of the ring were Donald Maclean (1913 - 1983 ... NKVD (later KGB), the Soviet security agency. While teaching at Cambridge University, Blunt was influential in recruiting the other ...