National Museum of Nuclear Science & History
L. R. Zumwalt worked for the United States Engineer District Office.
Cordell W. Callahan served in the 1st Ordnance Squadron.
Harold Lichtenberger was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Robert E. Davenport served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 The Great Artiste.
Long worked for Stone and Webster Engineering Corporation.
