National Museum of Nuclear Science & History
Rudolph H. Gerken 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 Bockscar.
Spear worked at the 200 East Area at Hanford during the Manhattan Project.
Margaret H. Sanderson was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
