National Museum of Nuclear Science & History
George Watt was an American chemist. Watt was a professor of chemistry at the University of Texas, Austin.
Eloy Roybal was a staff worker at Los Alamos during the Manhattan Project.
John Arnold joined the Manhattan Project in 1943 when the MED tasked his employer, the Kellogg Corporation, with developing a special barrier for the gaseous diffusion plant in Oak Ridge.