National Museum of Nuclear Science & History
H.A. Fettinger was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John Smith was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Raymond Hamilton worked in the explosives research area at Los Alamos after a distinguished career with the US Army Coast Artillery Corps 705th Machine Gun Battery.
John Deal worked for the Kellex Corporation at the K-25 Plant.
