National Museum of Nuclear Science & History
Professor Floyd Owen Slate (1920-2008) worked on the Manhattan Project at Decatur, IL and at Columbia University.
Harry Allen worked in procurement and supply for Los Alamos during the Manhattan Project. He was also involved in organizing preparations for the Trinity Test.
J. H. Leary worked for the United States Engineer District Office.
J. J. Donovan worked for the H. K. Ferguson Company.