National Museum of Nuclear Science & History
Ethel Loftis worked for the United States Engineer District Office.
As Secretary of War under Presidents Franklin D. Roosevelt and Harry Truman, Henry L. Stimson (1867-1950) oversaw the entire Manhattan Project, and was responsible for appointing key project leaders and authorizing project construction sites across the US.
John Pyle was a research assistant at the Chicago Met Lab during the Manhattan Project.
