About ANS
- ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
About Nuclear
- Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
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- Explore membership for yourself or for your organization.
Conferences & Courses
- Conference Spotlight
  2026 Nuclear Energy Conference & Expo (NECX)
  August 24–27, 2026
  Dallas, TX|Hilton Anatole
Publications & Standards
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  Aug 2026
  Jan 2026
  2026
  Latest Journal Issues
  Nuclear Science and Engineering
  September 2026
  Nuclear Technology
  September 2026
  Fusion Science and Technology
  August 2026
- Latest News
  The transformation of the NRC: 50 years of commissioners
  The dust is beginning to settle following the whirlwind of changes at the Nuclear Regulatory Commission over the past year, and 2025 ultimately may be viewed as a transformative year, as well as the year the NRC celebrated its golden anniversary. The 12 months of that milestone year brought more change to the agency in its composition, its mandate, and its relationship to the executive branch than any comparable period in the preceding four decades.
  Now at 51 years and counting, the NRC is working with a full commission and issuing new rulemakings to both regulate and support the next round of nuclear deployments. With the turbulence of 2025 still fresh in our minds, Nuclear News decided it was a good time to revisit the professional backgrounds of all 42 NRC commissioners who have served over the agency’s 50-year history to see how the composition of the commission has evolved over time.
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Richard H. Howard

Steven Biegalski

Dr. Lei Cao

Lin-Wen Hu

Anna S. Erickson

Kenan Unlu

Prof. Areg Danagoulian

Prof. Ling-Jian Meng

Prof. Lawrence W. Townsend

William Dunn

Dean Mitchell

Rolf L. Zeisler

Gunter H.R. Kegel

George H. Miley

Richard G. Helmer

Lane A. Bray

Amares Chatt

Allen Brodsky
Shiori Ishino

Martin Berger

Payasada Kotrappa
John C. Dempsey

Ari Brynjolfsson

B. Stephen Carpenter
William L. McLaughlin

John H. Hubbell

Robin P. Gardner

Harold E. Johns

Russell L. Heath

Howard O. Menlove

William S. Lyon, Jr.

John W. Cleland

Charles Artandi

Enzo Ricci
Richard L. Hahn

Godfrey N. Hounsfield

Joseph Silverman

Harold Berger

Arthur Rupp

Powell Richards

Bernard Manowitz

Raymond C. Goertz

Robert F. Nystrom

A. J. Tavendale
G. T. Ewan