National Museum of Nuclear Science & History
Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
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.
Gibson worked in the United States Engineer District Office.
Jesse Gunter worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert C. Conley served in the 393rd Bombardment Squadron.