James E. Galbreath

Richard Jager

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.

W. R. Hardleben

Hardleben worked at the 100-F Area at Hanford during the Manhattan Project.

Ruth Hillard

Ruth Hillard was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.