National Museum of Nuclear Science & History
Engel worked in the United States Engineer District Office.
P. M. Anderson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Leinhart worked in the 300 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.
Richard Gaul was fresh out of high school when he arrived in Los Alamos. He was a member of the Provisional Engineer Detachment (PED).
