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

Robert S. Norris

Washington, DC

Robert S. Norris is the author of the definitive biography of General Groves, Racing for the Bomb: General Leslie R.

Darrell Dvorak

Trinity Site

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

William R. Purnell

Washington, DC

William R. Purnell (1886-1955) was a Rear Admiral in the US Navy and served as the Navy liaison on the Military Policy Committee for the Manhattan Project.

Ernest Tremmel

Washington, DC

Ernest (Ernie) Tremmel was born on September 20, 1916 in Wisconsin. He graduated from the University of Wisconsin-Madison with a B.