David John Moore Cornwell (born 19 October 1931), pen name John le Carre, is a British author of espionage novels. During the 1950s and the 1960s, Cornwell worked for the British intelligence services MI5 and MI6, when he began writing novels under a pen name. His third novel The Spy Who Came in from the Cold (1963) became an international best-seller, and remains one of his best known works. Following the novel's success, he left MI6 to become a full-time author.
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