National Museum of Nuclear Science & History
Joseph King worked for the United States Engineer District Office.
A. A. Carswell worked for the Roane-Anderson 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.
Curtis T. Barker served in the 1st Ordnance Squadron.
Cardea Hubbard was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
