National Museum of Nuclear Science & History
Krazel worked in the 100 D Area at Hanford during the Manhattan Project.
Johnston worked at the 300 Area at Hanford during the Manhattan Project.
Fred A. Hoey served as a 1st lieutenant in the 393rd Bombardment Squadron. He was the navigator of the B-29 Full House, which served as a weather reconnaissance plane on the Hiroshima bombing mission, and the backup strike plane on Iwo Jima on the Nagasaki mission.