He was Britain’s most notorious Cold War spy, rising to the top of MI6 while working for Moscow.
As one of the infamous “Cambridge Five” espionage ring, Kim Philby spent decades betraying his country, friends and family, causing the deaths of thousands, before defecting to the Soviet Union in January 1963.
Sixty years on, his tale of lies and treason continues to captivate – inspiring countless books, films and TV dramas. His latest biographer James Hanning says there are still secrets about Philby that we do not know, which is part of the reason why his story continues to enthrall.