National Museum of Nuclear Science & History
H. J. Ratjen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Bifano worked at Los Alamos during the Manhattan Project.
Glenn S. Allison served as a corporal in the 393rd Bombardment Squadron. He was the tail gunner regularly assigned to the B-29 Next Objective.
Major John A. Derry was a top military assistant, mainly working in Washington D.C., during the Manhattan Project.
