National Museum of Nuclear Science & History
Jas Huff worked for the United States Engineer District Office.
Donald M. Casey served in the 603rd Air Engineering Squadron.
M. E. Gregson worked for the Roane-Anderson Company.
Roy V. Henderson was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. Bagdonowicz worked for the Tennessee Eastman Corporation at the Y-12 Plant.