National Museum of Nuclear Science & History
Leslie Spalding worked for the United States Engineer District Office.
E. A. Hetzner worked for the Oak Ridge Recreation and Welfare Association.
Howard Parsons was an American physicist. Parsons was born in Chicago in 1920. He receieved a B.S. from the University of Chicago, and shortly afterwards was hired to work on the Manhattan Project as a research assistant at the Chicago Met Lab.
