Esko E. Helander

Walter Simon

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.

T. W. Dwyer

E. R. Tompkins

F. W. Matson

Matson worked in the 100 F Area at Hanford during the Manhattan Project.