National Museum of Nuclear Science & History
Melville Heideman served in the 1st Ordnance Squadron.
Ruth Hillard was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Herbert Silverstone was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
J. P. Clark worked for the Roane-Anderson Company.
William M. Eichbaum worked on the Manhattan Project in Oak Ridge, TN for the Clinton Engineer Works.