National Museum of Nuclear Science & History
W. J. Williams worked for the United States Engineer District Office.
Ross Hill 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.
William P. Norris was an associate bio-chemist at the University of Chicago Met Lab. After a stint at the Dow Chemical Company, he joined the Manhattan Project in July 1944.
