Frederick Ross

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.

Roberta Brock

Edward A. Brinkman

Brinkman worked in the United States Engineer District Office.

R.E. Johnson

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