National Museum of Nuclear Science & History
R. L. Kirk worked for the United States Engineer District Office.
Helene Smith was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
David H. Frisch was an American physicist. He worked on the Manhattan Project at Los Alamos, working with the Van de Graaff long tank accelerator to measure neutron cross sections.
J. R. Poling worked for the United States Engineer District Office.