Stefan Heym's uncompromising stance made him unpopular with a succession of political regimes. The Nazis, the CIA and the East German secret police all held files on him. He was Hitler's youngest literary exile; McCarthyism was to drive him from the USA; and even in what appeared his natural home - the first socialist state on German soil - he was to become the country's leading dissident. By continuing to compose in both English and German, however,...