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National Museum of Nuclear Science & History

J. Samuel (“Sam”) Walker is the former historian of the U.S. Nuclear Regulatory Commission and the author of Prompt and Utter Destruction: Truman and the Use of Atomic Bombs against Japan. He is also the author of five books on the history of regulating nuclear power, including Three Mile Island: A Nuclear Crisis in Historical Perspective and The Road to Yucca Mountain: The Development of Radioactive Waste Policy in the United States.

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Milo V. Martin

Washington, DC

Milo Martin worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Harry Truman

Washington, DC

Harry S. Truman (1884-1972) was the 33rd President of the United States of America. Truman first learned of the Manhattan Project after the death of President Roosevelt in April of 1945, when he relinquished his role as Vice President and took the oath of office as the next president of the United States.

Frederick Shon

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Frederick J. Shon (1926-2000) worked on the Manhattan Project at Columbia University. Born in New York City in 1926, Shon was recruited to work on the Manhattan Project while pursuing his undergraduate degree at Columbia.

Michele Gerber

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Dr. Michele Gerber, Ph.D, is the official Hanford Site Historian. Gerber aided early efforts to declassify the Hanford site documents and served on the National Academy of the Sciences Committee on Declassification of Department of Energy Documents.