National Museum of Nuclear Science & History
Ewell Neil worked for the Roane-Anderson Company.
Robert Schwerin was drafted shortly before the end of the war, in 1945. Following the war, he re-enlisted to avoid being put on a desk job.
Roderick W. Spence was an American physical chemist who worked on the Manhattan Project at Los Alamos.
D. G. Perkins worked for the United States Engineer District Office.