National Museum of Nuclear Science & History
J. G. LeSieur, Jr. worked for the United States Engineer District Office.
B. B. Pewitt worked for the Tennessee Eastman Corporation at the Y-12 Plant.
R. D. Evans worked at the 200 West Area at Hanford during the Manhattan Project.
Harold Ninger was a staff worker at Los Alamos during the Manhattan Project.
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.