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Signature of Henri Poincaré

Henri Poincaré

French mathematician, physicist and engineer (1854–1912)

† 1912-07-17 · Authors · Writer; cross-wiki notability: present on 96 language Wikipedias
License & source
Public domain · Wikidata
Life

Henri Poincaré was born on April 29, 1854 in Nancy and died on July 17, 1912 in Paris, aged 58. Recorded occupations: mathematician, philosopher, astronomer, physicist, engineer and philosopher of science. Country of citizenship: France. Positions held include president of the Mathematical Society of France, Member of the Académie française and president of the French Academy of Sciences. Fields of work: algebraic geometry, mathematical analysis, geometry and topology. Notable works include “Poincaré conjecture”, “Poincaré group”, “Poincaré recurrence theorem”, “Poincaré disk model”, “Poincaré duality” and “Poincaré inequality”. Educated at Mines ParisTech, lycée Henri-Poincaré, École polytechnique and University of Paris. Honours include Poncelet Prize, Sylvester Medal, Commander of the Legion of Honour, Gold Medal of the Royal Astronomical Society, Bruce Medal and Bolyai Prize. Member of Académie Française, French Academy of Sciences, Bavarian Academy of Sciences and Humanities and Göttingen Academy of Sciences and Humanities in Lower Saxony.

At a glance
Born
April 29, 1854 · Nancy
Died
July 17, 1912 · Paris
Age at death
58
Citizenship
France
Occupations
mathematician, philosopher, astronomer, physicist, engineer, philosopher of science
Positions held
president of the Mathematical Society of France, Member of the Académie française, president of the French Academy of Sciences
Notable works
Poincaré conjecture, Poincaré group, Poincaré recurrence theorem, Poincaré disk model, Poincaré duality, Poincaré inequality
Education
Mines ParisTech, lycée Henri-Poincaré, École polytechnique, University of Paris
Honours
Poncelet Prize, Sylvester Medal, Commander of the Legion of Honour, Gold Medal of the Royal Astronomical Society, Bruce Medal, Bolyai Prize
Wikipedia editions
96 languages
Signature licence
Public domain
About this signature

This image of Henri Poincaré's signature comes from Wikimedia Commons (Wikidata P109 signature file). Its licence is recorded as Public domain, with the file credited to Henri Poincaré. It is linked to the person through Wikidata property P109 (signature), which ties a documented individual to a specific archived file. We show the file as published and do not redraw or retouch it. Deceased 1912: low publicity-rights risk.

Biographical facts: Wikidata Q81082 (CC0), retrieved 2026-10-13. Read more about Henri Poincaré on Wikipedia.

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