National Museum of Nuclear Science & History
M. E. Brennan worked for the Watson-Flagg Engineering Company.
Robert L. Ayers served with the 393rd Bombardment Squadron.
Robert S. Coles was a research associate at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Mary Fair worked as a lab assistant at the Metallurgical Lab at the University of Chicago. She was not sure of the purpose of her work, but often used radiation detecting devices in the experiments.
