National Museum of Nuclear Science & History
Lewis worked in the 200 West Area at Hanford during the Manhattan Project.
Robert F. Heath served in the 393rd Bombardment Squadron.
Newton R. Mahon served in the 320th Troop Carrier 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.