National Museum of Nuclear Science & History
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.
James H. Bradley served in the 1st Ordnance Squadron.
Leamon Babb was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
M. K. Walsh worked for the Roane-Anderson Company.
