National Museum of Nuclear Science & History
W. L. Brewer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Gahan worked in the United States Engineer District Office.
Dale D. Kvam served in the 1st Ordnance Squadron.
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.
Lawrence Antos was a member of the Military Police at Los Alamos. His primary responsibility was checking the passes of civilians entering and exiting Los Alamos.