National Museum of Nuclear Science & History
Marle Velde worked for the Kellex Corporation at the K-25 Plant.
C. L. Henningsen, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Marcy worked for the Kellex Corporation at the K-25 Plant.
J. M. Henry worked for the Tennessee Eastman Corporation at the Y-12 Plant.