National Museum of Nuclear Science & History
Jane Yantis was the wife of a petroleum engineer, Carl Yantis, who worked at the Oak Ridge site 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.
McKenzie worked for Stone and Webster Engineering Corporation.
