National Museum of Nuclear Science & History
Winford D. “Doug” Crossland was a design engineer at the K-25 Plant at Oak Ridge, TN during the Manhattan Project and a member of the Special Engineer Detachment.
Julia Mangan worked for the A. S. Schulman Electric Company.
Robert Nobles (1917-2007) was an American physicist who worked on the Manhattan Project at the University of Chicago with Enrico Fermi.
Hardin worked in the United States Engineer District Office.