National Museum of Nuclear Science & History
Halbrook worked in the United States Engineer District Office.
Clarence E. Britt served as a corporal in the 393rd Bombardment Squadron. He was the assistant engineer/scanner regularly assigned to the B-29 Next Objective.
R. H. Duncan worked for the Comstock-Bryant Electric Company.
Katherine Gnjec was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
