National Museum of Nuclear Science & History
Florentino Ortiz was a carpenter at Los Alamos during the Manhattan Project.
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.
Arthur Garry worked for the Midwest Piping and Supply Company.
