National Museum of Nuclear Science & History
Irl Schoonover was a staff worker at Los Alamos during the Manhattan Project.
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.
A. R. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
