National Museum of Nuclear Science & History
J. H. Sievers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Libby worked in the 200 W Area at Hanford during the Manhattan Project.
Theo Bottomly worked for the Roane-Anderson Company.
Gloria A. Larranaga was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”0 during the Manhattan Project.
Cathcart worked in the United States Engineer District Office.