National Museum of Nuclear Science & History
V. Flagg worked for the Watson-Flagg Engineering Company.
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.
Robert Reynolds was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
C. J. Meyer worked for the Roane-Anderson Company.