National Museum of Nuclear Science & History
Chipman worked in the United States Engineer District Office.
William L. Nash served in the 603rd Air Engineering Squadron.
Gebhart worked in the 200 East Area at Hanford during the Manhattan Project.
Hayes worked in the United States Engineer District Office.
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.