National Museum of Nuclear Science & History
Marle Velde worked for the Kellex Corporation at the K-25 Plant.
Cardea Hubbard was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
D. L. Donavan worked for the Roane-Anderson Company.
Robert Schuch worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Ralph Lawson worked for the United States Engineer District Office.