National Museum of Nuclear Science & History
Fred Lederer worked for the Roane-Anderson Company.
Norman Harry Nachtrieb was an American chemist who worked on the Manhattan Project at the University of Chicago and Los Alamos.
Lansing Tryon was a staff worker at Los Alamos during the Manhattan Project.
Anna Cox worked out of the DuPont Chambers Works plant in Carneys Point, New Jersey. Her contribution to the Manhattan Project included administrative work in the plant's transportation department, ensuring that tank cars had the proper bills of lading and ran in and out of the plant efficiently.
V. E. Helgesen worked for the William A. Pope Company.