National Museum of Nuclear Science & History
John Brill was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
John Geffel worked at Oak Ridge as the Prime Building Contractor for Construction of the Oak Ridge facilities.
G. Geller served in the 1027th Air Material Squadron.
German worked at the 100-D Area at Hanford during the Manhattan Project.
Daniel Pfaff was a staff worker at Los Alamos during the Manhattan Project.