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.

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.

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.

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, ...

Anthony Blunt confessed in 1964 to spying for the Soviet Union as part of the notorious Cambridge Five spy ring during World War II.

Kim Philby, Anthony Blunt, and John Cairncross - whose details are all included in the exhibit - were recruited as Soviet spies while at Cambridge University in the 1930s.

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. "Cairncross has admitted ...

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