National Museum of Nuclear Science & History
Marle Velde worked for the Kellex Corporation at the K-25 Plant.
L. M. Richards was President of the Atlantic Richfield Hanford Company, which took over chemical processing operations at Hanford in 1967.
Leo Safranski was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Fred Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.