National Museum of Nuclear Science & History
J. P. Smith worked for the J.A. Jones Construction Company.
Charlie L. Gibbs served in the 1027th Air Material Squadron.
William P. Jesse was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Chappell worked in the United States Engineer District Office.
Leon Cooper served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the bombardier regularly assigned to the B-29 Next Objective.
