National Museum of Nuclear Science & History
H. W. Butsch worked for the William A. Pope Company.
Jack Hudson served in the 1st Ordnance Squadron.
E. Prendergast worked for the United States Engineer District Office.
Hammond worked at the 300 Area at Hanford during the Manhattan Project.
Ellis Steinberg was an American Chemist. He was a junior chemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.