Churchill's German Spy

Compared to many of MI5's other double agents, HARLEQUIN’s career was very short-lived, lasting only for a few months in 1943. However, during that time he provided insights into the various parties involved in the Appeasement process in 1938; the Czech crisis of 1939; the enterprises of a Franco-American businessman who hosted the Duke and Duchess of Windsor’s marriage in France; the espionage activities of an aristocratic German family; Admiral Canaris, the head of the Abwehr – many of the Abw