George A. Beckett Jr.

Carl W. Chace

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.

N.F. Bowman

N.F. Bowman was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.

M. P. Shelley

M. P. Shelley worked for the Tennessee Eastman Corporation at the Y-12 Plant.