National Museum of Nuclear Science & History
J. R. Hatfield worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Cathcart worked in the United States Engineer District Office.
Otto Nillige was a carpenter at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
H. L. Small worked for the Kellex Corporation at the K-25 Plant.
Edwin Jones worked for the J.A. Jones Construction Company.
