My Silent War

H.A.R. "Kim" Philby, a prominent figure in espionage, was a key member of the Cambridge spies and a high-ranking official in the British Secret Intelligence Service. His career began in 1940, where he eventually led Soviet counterintelligence and served as MI6's liaison with the CIA and FBI. Philby's actions included betraying crucial Allied secrets to the Soviets, significantly undermining efforts to counter the Iron Curtain during the early Cold War, marking him as one of history's most infamous spies.