Much has been written about the Office of Strategic Services (OSS)--the forerunner of the CIA--and the exploits of its agents during World War II. Virtually unknown, however, is the work of the extraordinary community of scholars who were handpicked by "Wild Bill" Donovan and William L. Langer and recruited for wartime service in the OSS's Research and Analysis Branch (R&A). Known to insiders as the "Chairborne Division," the faculty of R&A was drawn from a dozen social science disciplines and challenged to apply its academic skills in the struggle against fascism. Its mandate: to...