A closer look at recently declassified MI5 files on the intelligence failure surrounding the five "Cambrdige spies" ...

Sir Anthony Blunt, the Royal Family's picture surveyor and renowned art historian, finally admitted that he had been a Soviet ...

In 1964, Sir Anthony Blunt, the surveyor of the Queen’s pictures ... Miranda Carter, who wrote a 2001 biography of Blunt, said she believed the Queen would have been told informally some time after ...

Anthony Blunt after he was publicly unmasked as a ... Miranda Carter, who wrote a 2001 biography of Blunt, said she believed the Queen would have been told informally some time after 1965.

In 1964, Sir Anthony Blunt, the surveyor of the Queen ... Miranda Carter, who wrote a 2001 biography of Blunt, said she believed the Queen would have been told informally some time after 1965.

Anthony Blunt served as the chief art curator to the ... historian Chris Smith, who authored a biography of Cambridge Five spy John Cairncross, told NBC News. “To have informed Her Majesty ...