National Museum of Nuclear Science & History
F. C. Lowry worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Blackstone worked in the United States Engineer District Office.
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.
Louise Warner was a research assistant in the health division of the Chicago Met Lab during the Manhattan Project.
