National Museum of Nuclear Science & History
Emerald Lyons Jr. was an electrical engineer at Oak Ridge, Tennessee from 1944 to 1945.
W. B. Reynolds worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Jas Purcell worked for the Roane-Anderson Company.