John le Carre

John le Carré, the pen name of David John Moore Cornwell, was a British-Irish author known for his espionage novels. During the 1950s and 1960s, he served in the British Security Service and Secret Intelligence Service. Following the international success of his 1963 novel, The Spy Who Came in from the Cold, he transitioned to a full-time writing career. Many of his works have been adapted for film and television.