National Museum of Nuclear Science & History
Marle Velde worked for the Kellex Corporation at the K-25 Plant.
W. T. Hanson, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph Hans worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
William Nixon worked for the Tennessee Eastman Corporation at the Y-12 Plant.