Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

J. Samuel Walker

HistorianWashington, DC

Expert
J. Samuel Walker Listen to J. Samuel Walker’s Oral History on Voices of the Manhattan Project

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

John Coster-Mullen

John Coster-Mullen is a nuclear archaeologist and author of Atom Bombs: The Top Secret, Inside Story of Little Boy and Fat Man.

Jean M. O’Leary

Washington, DC

Jean Marley O’Leary began working for General Leslie Groves in June 1941, when she was hired as his personal secretary.

Darrell Dvorak

Trinity Site

Darrell Dvorak’s father-in-law, Colonel Clifford John Heflin, worked for the Manhattan Project.

Joanna McClelland Glass

Washington, DC

Joanna McClelland Glass is a playwright best known for her play, Trying, based on her relationship with Francis Biddle, who was the United States Attorney General under FDR and chief judge at the Nuremberg Trials.