National Museum of Nuclear Science & History
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.
Joseph was a staff member at Los Alamos during the Manhattan Project.
James M. Stewart was a civil scientist who worked at Los Alamos during the Manhattan Project. He was married to Bernice Weddell, a nurse.