John le Carré

David John Moore Cornwell, an English author, wrote under the pen name John le Carré and is best known for his espionage novels. During the 1950s and 1960s he worked for MI5 and MI6, and after his third novel, The Spy Who Came in from the Cold, became an international best-seller, he left MI6 to write full time. His George Smiley novels and the Karla Trilogy, which includes Tinker, Tailor, Soldier, Spy, are among the books published under that name. He died in 2020.