National Museum of Nuclear Science & History
Halpern worked in the United States Engineer District Office.
Beggs worked in the United States Engineer District Office.
Warren Page served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
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.