National Museum of Nuclear Science & History
Marle Velde worked for the Kellex Corporation at the K-25 Plant.
S. L. Wilson worked for the J.A. Jones Construction Company.
Graf worked at the 300 Area at Hanford during the Manhattan Project.
Grills worked at the 100-B Area at Hanford during the Manhattan Project.
Jas Pryor worked for the J.A. Jones Construction Company.