National Museum of Nuclear Science & History
A. T. Helgerson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Carothers worked in the United States Engineer District Office.
Donald L. Wolf served in the 603rd Air Engineering Squadron.
E. O. Ogle worked for the Edenfield Electric Company.
Donald Engelkemeior was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.