National Museum of Nuclear Science & History
Trumper worked for Stone and Webster Engineering Corporation.
John L. Downey served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the bombardier regularly assigned to the Laggin’ Dragon.
R. A. Fetterman served in the 509th Headquarters and Base Services Squadron.
Dr. Joseph Katz was a chemist at Argonne National Laboratory at the Metallurgical Lab in Chicago. Katz was a part of a team that studied ways to make the diffusion of U-235 to U-238.