National Museum of Nuclear Science & History
Hayes worked in the United States Engineer District Office.
Robert Martens was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John Henry Manley (1907-1990) was an American physicist. Manley worked on the Manhattan Project almost from its beginning, starting at the Metallurgical Lab at the University of Chicago.
P. S. Wilcox worked for the Tennessee Eastman Corporation at the Y-12 Plant.