National Museum of Nuclear Science & History
Albert L. Evand was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. S. Hamer worked for the Roane-Anderson Company.
A. A. Maupin worked for the Kellex Corporation at the K-25 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.
