National Museum of Nuclear Science & History
Harold Koch was an electrical engineer at Oak Ridge, Tennessee during the Manhattan Project.
Dunbar worked in the United States Engineer District Office.
John P. Engel served in the 1st Ordnance Squadron.
Britson worked at the 100-F Area at Hanford during the Manhattan Project.
George S. Monk was a physicist at the University of Chicago Met Lab and an expert on optics. He was married to the mathematician Ardis Monk.