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.
E. Vincens worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Treadwell worked at the 100-B and 100-D Areas at Hanford during the Manhattan Project.
Tom Wood was a staff worker at Los Alamos during the Manhattan Project.
