National Museum of Nuclear Science & History
Charles Sterett worked as a physicist at the Clinton Engineer Works in Oak Ridge, Tennessee.
Frederick E. Brown served as a sergeant in the 393rd Bombardment Squadron. He was the assistant engineer/scanner regularly assigned to the B-29 Some Punkins.
Halbrook worked in the United States Engineer District Office.
Kathleen “Kay” (Gavin) Florin was a clerk in the chemistry division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.