Jean Henri Hassenfratz
Illustration — Portrait of Jean-Henri Hassenfratz Jean Henri Hassenfratz (20 December 1755 – 26 February 1827) was a French chemist, physics professor, mine inspector, and participant in the French Revolution. In 1794, Hassenfratz took part (with Monge) in the creation of the École Polytechnique (first known as École centrale des travaux publics). Hassenfratz became its first professor of physics, a position he held until 1815, when he was succeeded by Alexis Petit (a former child prodigy and Polytechnique alumni who would soon discover the Dulong–Petit law, in 1819).
Jean Henri Hassenfratz

Public domain
- Born
- 1755 · Paris.
- Died
- 1827 · Paris.
- Nationality
- France
- Occupation
- chemist · physicist · university teacher · writer · politician
- Education
- Mines ParisTech
- Languages
- French
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Illustration — Portrait of Jean-Henri Hassenfratz Jean Henri Hassenfratz (20 December 1755 – 26 February 1827) was a French chemist, physics professor, mine inspector, and participant in the French Revolution. In 1794, Hassenfratz took part (with Monge) in the creation of the École Polytechnique (first known as École centrale des travaux publics). Hassenfratz became its first professor of physics, a position he held until 1815, when he was succeeded by Alexis Petit (a former child prodigy and Polytechnique alumni who would soon discover the Dulong–Petit law, in 1819).
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wikidata · Q909885 · wikipedia · Jean Henri Hassenfratz
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1755
Jean Henri Hassenfratz born at Paris.
1827
Jean Henri Hassenfratz died at Paris.
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Wikidata, structured authority record Q909885: Jean Henri HassenfratzWikimedia Foundation
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The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 15 August 2026.
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