National Museum of Nuclear Science & History
Halpern worked in the United States Engineer District Office.
Sam Owen worked for the Kellex Corporation at the K-25 Plant.
Donald Engelkemeior was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Wiley H. Davis served in the 1st Ordnance Squadron.
C. W. Knapp worked for the Union Carbide & Carbon Corporation.