National Museum of Nuclear Science & History
Gebhart worked in the 200 East Area at Hanford during the Manhattan Project.
George H. Cohen served as a 1st lieutenant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
John W. Dulin served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the navigator regularly assigned to the B-29 Strange Cargo.
