National Museum of Nuclear Science & History
Hayes worked in the United States Engineer District Office.
Clark Prather worked for the Kellex Corporation at the K-25 Plant.
Henry R. LaCombe served in the 1st Ordnance Squadron.
Norman F. Modine was a research assistant at the University of Chicago Met Lab. He was a signer of the Szilard petition.
A. A. Nickman worked for the Kellex Corporation at the K-25 Plant.