National Museum of Nuclear Science & History
Chappell worked in the United States Engineer District Office.
Ellis Steinberg was an American Chemist. He was a junior chemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Earl Blakely served in the 1st Ordnance Squadron.
Lyman Brenneman was a member of the Special Engineer Detachment at Oak Ridge and was assigned to the K-25 Power Plant.