Helen J. Arson

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.

L. H. Lockhart

Lockhart worked at the 100-B Area at Hanford during the Manhattan Project. 

Harold L. King

Paul H. Embrey