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.

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, ...

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 ...

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 ...

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

In addition to Blunt the other four spies—Donald Maclean, Guy Burgess, Kim Philby, and John Cairncross—were recruited by Soviet operatives while studying at Cambridge in the 1930s to gather ...

It operated from the mid-1950s, training Kim Philby and John Cairncross, later revealed as notorious double agents, and hosting Oleg Gordievsky, who made the opposite journey from KGB bureau chief ...

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 ...

CHRISTOPHER HART: John Cairncross was born in 1916 and raised in Lesmahagow, Scotland. He is pictured with partner Gayle Brinkerhoff in 1990, the year he was confirmed as the Fifth Man.

Cairncross, the last of the spy ring to be publicly identified in the 1990s, admitted in a 1964 interview in the U.S. that he too had been recruited by Russian intelligence.

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.