National Museum of Nuclear Science & History
Johnston worked at the 200 West Area at Hanford during the Manhattan Project.
George Watt was an American chemist. Watt was a professor of chemistry at the University of Texas, Austin.
Cloyd Marvin had been drafted into the Army, interrupting his education at Haverford University, in 1943 and joined the Special Engineer Detachment as a technician third grade, later being assigned to Los Alamos National Labs in 1947.
Conce Vigil was a staff worker at Los Alamos during the Manhattan Project.
