National Museum of Nuclear Science & History
John Luttrell worked for the United States Engineer District Office.
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.
Eleanor Phillips was a laboratory assistant at the Chicago Met Lab during the Manhattan Project. She worked in Section C-II of the Chemistry Division.
Brown worked for Stone and Webster Engineering Corporation.
