National Museum of Nuclear Science & History
Robert Hackett worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. J. Combes worked for the Kellex Corporation at the K-25 Plant.
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.
Black worked at Los Alamos during the Manhattan Project.
