National Museum of Nuclear Science & History
Leslie Nemeth was a staff worker at Los Alamos during the Manhattan Project.
John R. Kauffman served in the 509th Headquarters and Base Services Squadron.
Bobby J. Chapman served as a captain in the 393rd Bombardment Squadron. He was the regularly assigned bombardier for the Big Stink, and he and his crew were later reassigned to Luke the Spook.
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.