National Museum of Nuclear Science & History
Ambroso Hoelscher was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Shad Marshall worked at Los Alamos on the Manhattan Project. He was married to Natalie Marshall, who also worked on the project.
F. Egner worked for Clinton Laboratories at the X-10 Reactor.
J. D. Eidom worked at the 200 West Area at Hanford during the Manhattan Project.