National Museum of Nuclear Science & History
R. Althoff worked for the J.A. Jones Construction Company.
Robert R. Clifton served in the 603rd Air Engineering Squadron.
E. C. Sheets worked for the Fercleve Corporation.
Walt Simon, a chemist, was Hanford’s first Operations Manager. Before joining the Manhattan Project, he was plant manager at Wabash River Ordnance Works, a DuPont plant near Terre Haute, Indiana.