MI5 documents reveal her private secretary ‘saw no advantage in telling her’ about treachery of Buckingham Palace art expert ...

Five Cambridge University graduates served as double agents, leaking highly classified information to the Soviet Union ...

The secret files record how the country's security services only told her about the infamous Cambridge Five member and art ...

Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's most notorious double agents ...

Queen Elizabeth II was not told about her long-time art adviser's double life as a Soviet spy, newly declassified documents ...

Anthony Blunt and John Cairncross, including their confessions,” the government agency said. The Soviets recruited Philby, ...

Newly declassified British documents show that Queen Elizabeth II wasn't told details of her long-time art adviser's double ...

Sir Anthony Blunt, the surveyor of the Queen's pictures and distinguished art historian, finally confessed he had been a ...

The members of the ring were Donald Maclean (1913 - 1983), Guy Burgess (1911 - 1963), Harold 'Kim' Philby (1912 - 1988) and Anthony ... teaching at Cambridge University, Blunt was influential ...

Philby and Blunt were, along with Guy Burgess, Donald Maclean and John Cairncross, part of the "Ring of Five" - former ...

For the aesthetes who graced the Apostles society at Cambridge University in the 1930s ... Philby, Maclean, Blunt and 'fifth man' Cairncross became synonymous with treachery at the heart of ...