National Museum of Nuclear Science & History
G. C. Meredith worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Klaus Fuchs (1911-1988) was a German theoretical physicist and spy who worked at Los Alamos during the Manhattan Project and passed atomic secrets to the Soviet Union.
Paul J. Esterline was an engineer. He attended Ohio State University for two years, and then attended the Chicago Technical Institute in the late 1920s, learned engineering drafting there.