National Museum of Nuclear Science & History
Michael Rimek was a laborer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
D.C. Stewart was a Staff Sergeant in the Special Engineer Detachment at the Metallurgical Laboratory in Chicago during the Manhattan Project.
James Osborn was a member of the Special Engineering Detachment at Los Alamos.
Robert Gustison was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.