National Museum of Nuclear Science & History
Hayes worked at the 300 Area at Hanford during the Manhattan Project.
M. A. Ruth worked for the United States Engineer District Office.
William Stringfellow served in the First Ordnance Squadron.
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.