National Museum of Nuclear Science & History
A. H. Barrett worked for the Kellex Corporation at the K-25 Plant.
Mortimer D. Abbott was a group leader in the Technical Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
W. L. Killibrew worked for the Roane-Anderson Company.
W. J. Karraker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
