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

Alexander Klementiev

Hanford, WA

Alexander Klementiev was born in Moscow in 1942 and grew up in the Soviet Union during the Cold War. As a student, he attended the Moscow Institute of Physics and Technology, where he studied radio physics and earned his Ph.

Oliver G. Haywood

Los Alamos, NM

Col. Oliver Haywood was on General Leslie Groves‘ staff from May to December 1946. Haywood had a long military career after graduating from West Point in 1936 and receiving both a M.

Gwen Groves Robinson

Washington, DC

Gwen Groves Robinson is the daughter of Manhattan Project Director General Leslie Groves. Gwen attended the National Cathedral Schools for Girls in Washington, D.

Gavin Hadden

Washington, DC

Gavin Hadden was an American civil engineer who served as special assistant to General Leslie R. Groves during the Manhattan Project.