National Museum of Nuclear Science & History
Charles J. Spiegl was a civilian scientist employed by the Manhattan Project. He was involved in radiation toxicology, studying the effects of radiation on animals at the Trinity Site near Alamogordo, New Mexico.
Ralph N. Devore served as a captain in the 393rd Bombardment Squadron. He was the airplane commander regularly assigned to the B-29 Next Objective.
H. R. Muldoon worked for the Union Carbide & Carbon Corporation.
