National Museum of Nuclear Science & History
J. O. Parks worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert P. Matthews worked as a member of Project Alberta, the team that transported and assembled the Fat Man and Little Boy atomic bombs.
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.
Kreitzberger worked in the 200 East Area at Hanford during the Manhattan Project.
