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Bethe, Hans Albrecht

Bethe, Hans Albrecht

This article has been reviewed by the following Topic Editor: Tom Lawrence

Hans Albrecht Bethe (1906-2005), a German physicist noted for his discovery of the reactions that supply the energy of stars. After the rise of Nazis in Germany, Bethe immigrated to England in 1933 where he held teaching positions at the University of Manchester and the University of Bristol. In 1935, Bethe received the position of Assistant Professor at Cornell University. During the years 1935-1939, Bethe's main achievement in astrophysics was the exclusion of the many possible interactions than can happen inside the stars, leaving just two possibilities for which were providing the stars with energy: the carbon-nitrogen cycle for massive stars, and the proton-proton reaction that powers fainter stars like the Sun. Bethe was awarded the Nobel Prize for Physics in 1967.

Further Reading
Hans Bethe-Biography (Nobel Prize Biographies)
Personal and Historical Perspectives of Hans Bethe (Cornell University)

Citation

Cutler J. Cleveland (Lead Author);Tom Lawrence (Topic Editor) "Bethe, Hans Albrecht". In: Encyclopedia of Earth. Eds. Cutler J. Cleveland (Washington, D.C.: Environmental Information Coalition, National Council for Science and the Environment). [First published in the Encyclopedia of Earth August 18, 2006; Last revised Date August 26, 2010; Retrieved May 18, 2013 <http://www.eoearth.org/article/Bethe,_Hans_Albrecht>

The Author

Cutler J. Cleveland Cutler J. Cleveland  is Professor of Earth and Environment at Boston University, where he also is on the faculty of the Center for Energy and Environmental Studies. Professor Cleveland is Editor-in-Chief of the Encyclopedia of Energy (Elsevier, 2004), winner of an American Library Association award, the Dictionary of Energy (Elsevier, 2005), Handbook of Energy (Elsevier, forthcoming), and is the Founding Editor-in-Chief of the Encyclopedia of Earth.  He is the recipient of the Adelma ... (Full Bio)

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