National Museum of Nuclear Science & History
S. N. Smith worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Nelson worked at the 200 West Area at Hanford during the Manhattan Project.
Harold R. Olson served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Enola Gay.
Hirst worked at the 100-D Area at Hanford during the Manhattan Project.