A mysterious, influential and often extremely dubious man of affairs, Tom Driberg embodied many of the contradictions and ambiguities of his time. At Oxford, he was the friend of Auden, Betjeman, Hugh Gaitskell and his old school-chum, Evelyn Waugh; working on Beaverbrook's Express in the Thirties, he invented the modern gossip column; a close friend of Burgess and Maclean, he was widely suspected of being a double-agent, working for both British...