National Museum of Nuclear Science & History
Ray Smith is the historian at the Y-12 National Security Complex. His specific focus is the history of Oak Ridge, and he is intimately acquainted with the uranium enrichment processes undertaken at the Y-12, K-25, and S-50 plants during the Manhattan Project, and how the Fat Man and Little Boy bombs worked.
Shea worked for Stone and Webster Engineering Corporation.
Wilber A. Stevens was an army officer in charge of overseeing construction at Los Alamos. He helped choose the site where the Manhattan Project would test its first atomic bomb.