AdvertisementColorful Crime Boss Inspires Le Carre's 'Traitor'October 08, 2010facebookEmailJohn le Carre, a former British intelligence officer, is the author of many best-selling espionage thrillers including The Spy Who Came In From The Cold; Tinker, Tailor, Soldier, Spy and The Constant Gardener. Le Carre is a pseudonym -- his real name is David Cornwell. (AP)