National Museum of Nuclear Science & History
A. H. Weil worked for the United States Engineer District Office.
Casmer Lesnioski worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) 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.
G. M. Armstrong worked for the Tennessee Eastman Corporation at the Y-12 Plant.