Roy H. Krauss

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.

John E. Mahoney

Frank C. Cook

Frank Cook worked for the JA Jones Construction Company in Oak Ridge, Tennessee during the Manhattan Project.

D. F. Babcock

Babcock worked at the 300 Area at Hanford during the Manhattan Project.