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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.

Related Profiles

Ralph E. Miller

K-25 Plant

Attended Evansville College.

Henry W. Jarrell, Jr.

K-25 Plant

Henry Jarrell, Jr. worked for the Kellex Corporation at the K-25 Plant.

Alfred H. Zeltmann

Los Alamos, NM

Alfred “Al” Zeltmann was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.

H. H. De Foe

Oak Ridge, TN

H. H. De Foe worked for the Roane-Anderson Company.