National Museum of Nuclear Science & History
Dorothy Isgett was a civilian worker at Oak Ridge Tennessee from 1943 to 1946.
C. A. Norris worked for the Midwest Piping and Supply Company.
Frank Vaughan was a research associate at the Chicago Met Lab during the Manhattan Project.
Brackett worked in the United States Engineer District Office.
D. E. D'Armond worked for the Tennessee Eastman Corporation at the Y-12 Plant.