According to the report by the MI5 agent watching him, John Cairncross appeared 'tail conscious' as he boarded a bus in London 's Trafalgar Square to his home in Lansdowne Crescent.

John Cairncross Considered the first atomic spy, John Cairncross was eventually identified as one of the Cambridge Five, a group of upper-middle class young men who had met at Cambridge University ...

GAYLE Brinkerhoff claims The Imitation Game, starring Benedict Cumberbatch, is fantasy portrayal of John Cairncross - outed as The Fifth Man in spy ring.

Blunt confessed in 1964 to spying for the Soviet Union as part of the notorious Cambridge Five spy ring during World War II, ... who authored a biography of Cambridge Five spy John Cairncross, ...

Burgess was a member of the infamous Cambridge Five, a group of British double agents including Harold “Kim” Philby, Donald Maclean, Anthony Blunt, John Cairncross and possibly others, who ...

There may have been a fifth spy in the ring, possibly John Cairncross. Documents from the Mitrokhin Archive have been made publicly available for the first time. The FBI described them as the most ...

The files confirm that Philby recruited Donald Maclean in 1934, and how Guy Burgess, Anthony Blunt and the fifth spy, John ...

Members of the Cambridge Five spy ring were regarded by their Soviet handlers as hopeless drunks who were incapable of keeping secrets, newly-released files suggest.