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James Franck
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James Franck

German-American physicist (1882–1964)

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James Franck (German: [ˈdʒɛɪ̯ms ˈfʁaŋk] ; 26 August 1882 – 21 May 1964) was a German–American physicist who shared the 1925 Nobel Prize in Physics with Gustav Hertz "for their discovery of the laws governing the impact of an electron upon an atom."

Quick facts

Born
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Place of birth
Hamburg wd
Died
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Place of death
Göttingen wd
Citizenship
United States, Weimar Republic wd
Occupation
physicist, university teacher, chemist, professor wd
Education
Heidelberg University, Humboldt-Universität zu Berlin, Wilhelm-Gymnasium wd
Spouse
Hertha Sponer wd

Awards wd

  • Nobel Prize in Physics (1925)
  • Max Planck Medal (1951)
  • Rumford Prize (1955)
  • Dannie Heineman Prize (1961)
  • Foreign Member of the Royal Society (1964)
  • Iron Cross (1914), 1st class (1917)
  • Hanseatic Cross (Hamburg) (1916)
  • honorary member of the Physics Association (Frankfurt am Main, Germany) (1928)
  • Iron Cross (1914), 2nd class (1915)

About

Franck completed his doctorate in 1906 and his habilitation in 1911 at the Frederick William University in Berlin, where he lectured and taught until 1918, having reached the position of professor extraordinarius. He served as a volunteer in the German Army during World War I. He was seriously injured in 1917 in a gas attack and was awarded the Iron Cross 1st Class.

Franck became the head of the physics division of the Kaiser Wilhelm Gesellschaft for Physical Chemistry. In 1920, Franck became professor ordinarius of experimental physics and Director of the Second Institute for Experimental Physics at the University of Göttingen. While there he worked on quantum physics with Max Born, who was Director of the Institute of Theoretical Physics. His work included the Franck–Hertz experiment, an important confirmation of the Bohr model of the atom. He promoted the careers of women in physics, notably Lise Meitner, Hertha Sponer, and Hilde Levi.

After the Nazi Party came to power in Germany in 1933, Franck resigned from his position at the University of Göttingen in protest against the dismissal of fellow colleagues. He assisted Frederick Lindemann in helping dismissed Jewish scientists find work overseas, before he left Germany in November. After a year at the Niels Bohr Institute in Denmark, he moved to the United States, where he worked at Johns Hopkins University in Baltimore and then the University of Chicago. During this period he became interested in photosynthesis.

Franck participated in the Manhattan Project during World War II as director of the chemistry division of the Metallurgical Laboratory. He was also the…

Questions

When was James Franck born?
James Franck was born on 26 August 1882 in Hamburg.
Where did James Franck study?
James Franck was educated at Heidelberg University, Humboldt-Universität zu Berlin, Wilhelm-Gymnasium.

Sources

  1. Wikipedia (English): James Franck · CC BY-SA 4.0
  2. Wikidata item Q57066 · CC0 1.0
  3. Image: James Franck.jpg (Public domain)

Last updated · facts checked 6 November 2026

Cite this page

"James Franck". DigiNepal. Last updated 1 November 2026. https://diginpl.com/people/james-franck. Retrieved 6 November 2026.

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Text from the Wikipedia article James Franck, licensed under CC BY-SA 4.0. This page's text is shared under the same licence. Facts from Wikidata (CC0). Image: James Franck.jpg, Public domain.

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