National Museum of Nuclear Science & History
R. M. Smith worked for the United States Engineer District Office.
Gus Essig began working on the Manhattan Project in May, 1946 in Dayton, Ohio. Essig was selected to work in the highly classified initiator program and spent several months at Los Alamos learning how to design and construct initiators.
John L. Stiegman served in the First Ordnance Squadron.
James Leslie Tuck was a British physicist and a member of the British Mission to Los Alamos during the Manhattan Project.
