National Museum of Nuclear Science & History
Smith worked at the 200 East Area at Hanford during the Manhattan Project.
Marion R. Villarreal served in the 603rd Air Engineering Squadron.
Dick Kosh was an American physicist. He worked at the Los Alamos site during the war, arriving from the University of Wisconsin, Madison, and then stayed afterwards.
Williams worked at the 100-D Area at Hanford during the Manhattan Project.
