SPY Historian Vince Houghton sat down with author Doug Waller to discuss his new book Disciples: The World War II Missions of the CIA Directors Who Fought for Wild Bill Donovan. The author of the critically acclaimed bestseller Wild Bill Donovan, Waller tells Houghton the story of four OSS warriors of World War II. All four later led the CIA. They are the most famous and controversial directors the CIA has ever had—Allen Dulles, Richard Helms, William Colby, and William Casey. Disciples is the story of these dynamic agents and their daring espionage and sabotage in wartime Europe under OSS Director Bill Donovan.

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