National Museum of Nuclear Science & History
Hirst worked at the 100-D Area at Hanford during the Manhattan Project.
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.
Frederick E. Brown served as a sergeant in the 393rd Bombardment Squadron. He was the assistant engineer/scanner regularly assigned to the B-29 Some Punkins.