National Museum of Nuclear Science & History
Hart worked for Stone and Webster Engineering Corporation.
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.
Hardy worked at the 200 West Area at Hanford during the Manhattan Project.
Jay Scherer was a staff worker at Los Alamos during the Manhattan Project.
Mary Fitzgerald worked for the Edenfield Electric Company.