National Museum of Nuclear Science & History
Graham worked in the United States Engineer District Office.
Minnie (Heller) Steinberg was a junior biologist in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
H. C. Young worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Luther Ramsey was a staff worker at Los Alamos during the Manhattan Project.