National Museum of Nuclear Science & History
Laura A. Marshall was a laboratory technician in the Health Division at the University of Chicago Met Lab.
L. F. Preston worked for the United States Engineer District Office.
John L. Downey served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the bombardier regularly assigned to the Laggin’ Dragon.
H. M. Toms worked for the Roane-Anderson Company.