National Museum of Nuclear Science & History
Seymour worked at the 200 West Area at Hanford during the Manhattan Project.
James E. Grady served in the 1st Ordnance Squadron.
Edward R. Quiggin served in 1027th Air Material Squadron.
Jane Hamilton Hall (1915-1981) was an American physicist. Shortly after receiving her Ph.D. in physics from the University of Chicago in 1942, Hall became a research assistant at the Chicago Metallurgical Laboratory.
Mattie was a staff member at Los Alamos during the Manhattan Project.