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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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Thomas E. Marceau is an archaeologist and cultural resources specialist at the Hanford site.  Marceau works closely with Northwest tribal nations—including the Confederated Tribes of the Umatilla Indian Reservation and the Yakama Nation—and federal agencies to evaluate archaeological/traditional cultural places and protect Native American sacred places.

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