National Museum of Nuclear Science & History
Matson worked in the 100 F Area at Hanford during the Manhattan Project.
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.
Dean Castimore was a Manhattan Project veteran and a fireman. During the war he was stationed at Los Alamos.
