National Museum of Nuclear Science & History
Marle Velde worked for the Kellex Corporation at the K-25 Plant.
O’Black worked in the 200 East Area at Hanford during the Manhattan Project.
H. L. Holsopple worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Jewel Corvin worked for the J.A. Jones Construction Company.
Philip G. Koontz was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
