National Museum of Nuclear Science & History
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.
H. L. Shaefer worked for the Edenfield Electric Company.
Lawrence Kimpton was the Chief Administrative Officer at the University of Chicago Metallurgical Lab, serving there from 1943 to 1945.
