The many lives of John le Carré, in his own words. An exclusive extract from his new memoir, The Pigeon Tunnel.

David John Moore Cornwell (born 19 October 1931) (pen name John le Carré /lə ˈkɑːrˌeɪ/) is a British author of espionage novels. During the 1950s and the 1960s, he worked for the Security Service and the Secret Intelligence Service, and 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 success of this novel, he left MI6 to become a full-time author.

http://www.theguardian.com/books/ng-interactive/2016/sep/03/tinker-tailor-writer-spy-the-many-lives-of-john-le-carre-in-his-own-words