National Museum of Nuclear Science & History
Smith worked at the 200 Area at Hanford during the Manhattan Project.
Samuel McNeight was a DuPont employee member who was a part of the team tasked with constructing the B Reactor at Hanford.
Johnson worked at the 100-F Area at Hanford during the Manhattan Project.
Gifford worked at the 200 West Area at Hanford during the Manhattan Project.