National Museum of Nuclear Science & History
Dorothy Lipps was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Henry Barwick worked as a plumber, pipefitter, and steamfitter during the building of the Y-12 plant at Oak Ridge.
Clark worked in the United States Engineer District Office.
R. J. Guthrie worked for the Watson-Flagg Engineering Company.
