National Museum of Nuclear Science & History
DeRenzis worked in the United States Engineer District.
P. B. Evans worked at the 200 West Area at Hanford during the Manhattan Project.
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.
