John D. Hoffman

Leo V. Burton

Burton worked in the United States Engineer District Office.

R. C. Sylvester

Ray Smith

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.

K. Mullis