National Museum of Nuclear Science & History
Charles White worked for the United States Engineer District Office.
Harry Stephon was a gruard and sergeant in the U.S. Army at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Gebhardt worked for Stone and Webster Engineering Corporation.
Severn A. Jackson served in the 1st Ordnance Squadron.
A. J. Keesing worked for the Union Carbide & Carbon Corporation.