John Earl Haynes is an American historian. He specializes in twentieth-century political and intelligence history. For most of his career, he worked in the Manuscript Division of the Library of Congress. In this interview, he provides an in-depth summary of Soviet espionage in the Manhattan Project. He addresses the history surrounding well-known spies, including Julius Rosenberg, David Greenglass, and Klaus Fuchs, as well as lesser-known agents like Jacob Goros, Elizabeth Bentley, and Clarence Hiskey. Haynes also explains how the Soviet agencies the GRU and the KGB operated in the US in the 1930s-40s. He analyzes the successful and failed Soviet attempts to uncover American industrial and military secrets about the atomic bomb during World War II and the Cold War.
FBI agent Robert Lamphere supervised many investigations of Soviet spies during the Cold War. His early espionage cases focused on those who attempted to infiltrate the Manhattan Project, including David Greenglass, Harry Gold, and the Rosenbergs. In this interview, he recalls his interrogation of Klaus Fuchs in London, as well as his impressions of Fuchs and Gold. Lamphere also discusses the network of spies living in the US, their motivations, and the nature of the commands that they received from Moscow.