Nuclear Museum Logo
Nuclear Museum Logo

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.

Related Profiles

Beatrice McDonnell

Washington, DC

Beatrice Marie Martin McDonnell was a secretary for the Manhattan Project at the War Department in Washington, DC.

David Kaiser

Cambridge, MA

Dr. David Kaiser is the Germeshausen Professor of the History of Science and a Senior Lecturer in the Department of Physics at the Massachusetts Institute of Technology.

Robert Krauss

Robert “Bob” Krauss is the Official Historian of the 509th Composite Group. He and his wife, Amelia Krauss, published The 509th Remembered, which profiles the service members of the 509th Composite Group and the events that surrounded the group and its role in dropping the atomic bombs on Hiroshima and Nagasaki.

James Marshall

Washington, DC

Colonel James Marshall (1897-1977) was district engineer of the Manhattan Engineer District. Marshall earned a position in the Army Corps of Engineers during his years at West Point.