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National Museum of Nuclear Science & History

Ray Smith is the historian at the Y-12 National Security Complex. His specific focus is the history of Oak Ridge, and he is intimately acquainted with the uranium enrichment processes undertaken at the Y-12, K-25, and S-50 plants during the Manhattan Project, and how the Fat Man and Little Boy bombs worked.

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John S. Reece

Y-12 Plant

John Reece worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Lewis W. Graves

Oak Ridge, TN

Lewis W. Graves worked for the Roane-Anderson Company.

Frank L. Wolf

K-25 Plant

Attended Washington University.

Irwin M. Phillips

Oak Ridge, TN

Irwin Phillips worked for the United States Engineer District Office.