National Museum of Nuclear Science & History
M. B. Coley worked for the J.A. Jones Construction Company.
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.
Herbert L. King served in the 1st Ordnance Squadron.
Jack Hartpence served in the 1395th Military Police Company, Aviation.