National Museum of Nuclear Science & History
L. C. Danielson worked for the J.A. Jones Construction Company.
George Ruhl worked for the Kellex Corporation at the K-25 Plant.
James King worked at the Y-12 Plant in Oak Ridge, Tennessee, in the uranium purification process from February 1944 to February 1947.
Helene Stark was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.