National Museum of Nuclear Science & History
Tracy worked for Stone and Webster Engineering Corporation.
R. M. Thomas worked for the United States Engineer District Office.
William S. Johnston was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. M. Daws worked for the Edenfield Electric Company.
William C. Borgstadt served in the 390th Air Service Group. William Calvin Borgstadt, also known as Billy C.