National Museum of Nuclear Science & History
Clarke worked in the United States Engineer District Office.
Johnson worked at the 100-F Area at Hanford during the Manhattan Project.
Marion L. Arnold was a staff member at Los Alamos during the Manhattan Project.
Crowley worked in the United States Engineer District Office.
Samuel McNeight was a DuPont employee member who was a part of the team tasked with constructing the B Reactor at Hanford.
