National Museum of Nuclear Science & History
Sappenfield worked at the 300 Area at Hanford during the Manhattan Project.
H. R. Grady worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Herbert L. King 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.
