National Museum of Nuclear Science & History
George Watt was an American chemist. Watt was a professor of chemistry at the University of Texas, Austin.
Edward Littleton was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Stanley Robertson was a mechanical engineer in the Special Engineer Detachment serving at Oak Ridge, Tennessee.
C. E. Bettis worked for the Tennessee Eastman Corporation at the Y-12 Plant.