National Museum of Nuclear Science & History
Carl Becker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ples M. Cheek served in the 1st Ordnance Squadron.
J. C. Freer worked for the Roane-Anderson Company.
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.
Wood worked at the 100-D Area at Hanford during the Manhattan Project.
