Joseph R. Lewis

J. H. Dobbins

A. F. Tyra

A. F. Tyra worked for the Union Carbide & Carbon Corporation.

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.

H. R. Hawley