National Museum of Nuclear Science & History
A. L. Barber worked for the H. K. Ferguson Company.
Cheney worked in the United States Engineer District Office.
Donald M. Casey served in the 603rd Air Engineering Squadron.
W. G. Chmielewski was a carpenter at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
William Sylvan Love was a metallurgist who worked for the Cook Electric Company in Chicago, IL under contract with the Manhattan Engineer District.
