Léon Foucault

French physicist (1819–1868)
Person human Q187966
Léon Foucault
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Léon Foucault

Summary

Léon Foucault is a human[1]. His place of birth was Paris[2]. He was born on September 18, 1819[3]. He died in Paris[4]. He died on February 11, 1868[5]. He worked as a physicist[6] and astronomer[7]. He ranks in the top 0.71% of human entities by monthly Wikipedia readership (656 views/month, #7,108 of 1,000,298).[8]

Key Facts

  • Born in Paris[2], Léon Foucault…
  • Léon Foucault passed away in Paris[4].
  • Léon Foucault was born on September 18, 1819[3].
  • Léon Foucault died on February 11, 1868[5].
  • Léon Foucault is buried at Montmartre Cemetery[9].
  • Léon Foucault held citizenship in France[10].
  • Léon Foucault's professions included physicist[6].
  • Léon Foucault worked as an astronomer[7].
  • Léon Foucault's field of work was physics[11].
  • Léon Foucault's field of work was mechanics[12].
  • Léon Foucault's field of work was optics[13].
  • Among Léon Foucault's employers was Journal des débats[14].
  • Among Léon Foucault's employers was Paris Observatory, PSL University[15].
  • Léon Foucault's education included a stint at Collège Stanislas de Paris[16].
  • Léon Foucault's education included a stint at Paris Medical Faculty[17].
  • A notable work attributed to Léon Foucault is Foucault pendulum[18].
  • A notable work attributed to Léon Foucault is Foucault knife-edge test[19].
  • A notable work attributed to Léon Foucault is eddy current[20].
  • A notable work attributed to Léon Foucault is Foucault gyroscopes[21].
  • A notable work attributed to Léon Foucault is Fizeau–Foucault apparatus[22].
  • A notable work attributed to Léon Foucault is Foucault's measurements of the speed of light[23].
  • Léon Foucault received the Copley Medal[24].
  • Léon Foucault received the Foreign Member of the Royal Society[25].
  • Léon Foucault received the 72 names on the Eiffel Tower[26].
  • Léon Foucault received the Officer of the Legion of Honour[27].

Body

Origins and Family

Léon Foucault was born in Paris[2]. He was born on September 18, 1819[3].

Education

Educated at Collège Stanislas de Paris[16], a school[28], in France[29], founded in 1804[30] and Paris Medical Faculty[17], a medical school[31], in France[32], founded in 1808[33]. Léon Foucault studied under Alfred François Donné[34].

Career and Affiliations

Recorded occupations include physicist[6] and astronomer[7]. Fields of work include physics[11], a branch of science[35]; mechanics[12], a branch of physics[36]; and optics[13], a branch of physics[37]. Employers include Journal des débats[14], a daily newspaper[38], founded in 1789[39], headquartered in Paris[40] and Paris Observatory, PSL University[15], a grand établissement[41], in France[42], founded in 1667[43], headquartered in Paris[44].

Works and Contributions

Notable works include Foucault pendulum[18], a physical phenomenon[45], founded in 1851[46]; Foucault knife-edge test[19], a test[47]; eddy current[20]; Foucault gyroscopes[21], a gyroscope[48], founded in 1852[49]; Fizeau–Foucault apparatus[22], a scientific instrument[50], founded in 1849[51]; and Foucault's measurements of the speed of light[23], founded in 1850[52]. Things named for Léon Foucault include Foucault pendulum[53], a physical phenomenon[54], founded in 1851[55]; eddy current[56]; Foucault[57], a submarine[58], in France[59]; and 5668 Foucault[60], an asteroid[61].

Recognition

Awards received include Copley Medal[24], a medallion[62], in United Kingdom[63], founded in 1731[64]; Foreign Member of the Royal Society[25], a fellowship award[65], in United Kingdom[66]; 72 names on the Eiffel Tower[26], an inscription[67], in France[68], founded in 1887[69]; and Officer of the Legion of Honour[27], a grade of an order[70], in France[71].

Death and Burial

Léon Foucault died on February 11, 1868[5]. He passed away in Paris[4]. Burial took place at Montmartre Cemetery[9].

Why It Matters

Léon Foucault ranks in the top 0.71% of human entities by monthly Wikipedia readership (656 views/month, #7,108 of 1,000,298).[8] He has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[72] He is known by 28 alternative names across languages and contexts.[73]

He is credited with the discovery of gyroscope[74] and Fizeau–Foucault apparatus[75], a scientific instrument[76], founded in 1849[77]. Entities named for him include Foucault pendulum[53], a physical phenomenon[54], founded in 1851[55]; eddy current[56]; Foucault[57], a submarine[58], in France[59]; and 5668 Foucault[60], an asteroid[61].

FAQs

Where was Léon Foucault born?

Léon Foucault was born in Paris[2].

Where did Léon Foucault die?

Léon Foucault passed away in Paris[4].

What did Léon Foucault do for work?

Léon Foucault worked as physicist[6] and astronomer[7].

Where did Léon Foucault go to school?

Léon Foucault was educated at Collège Stanislas de Paris[16] and Paris Medical Faculty[17].

What awards did Léon Foucault receive?

Honors received include Copley Medal[24], Foreign Member of the Royal Society[25], 72 names on the Eiffel Tower[26], and Officer of the Legion of Honour[27].

What did Léon Foucault discover?

Léon Foucault is credited as discoverer of gyroscope[74] and Fizeau–Foucault apparatus[75].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] . Integrated Authority File. Retrieved . wikidata.org.
  2. [4] . Integrated Authority File. Retrieved . wikidata.org.
  3. [10] . LIBRIS. Retrieved . wikidata.org.
  4. [16] . wikidata.org.
  5. [17] . MacTutor History of Mathematics archive. wikidata.org.
  6. [11] . wikidata.org.
  7. [12] . wikidata.org.
  8. [13] . wikidata.org.
  9. [6] . Integrated Authority File. Retrieved . wikidata.org.
  10. [7] . wikidata.org.
  11. [14] . MacTutor History of Mathematics archive. wikidata.org.
  12. [15] . MacTutor History of Mathematics archive. wikidata.org.
  13. [9] . Find a Grave. Retrieved . cdn.paris.fr. Provenance: wikidata.org.
  14. [24] . docs.google.com. Retrieved . docs.google.com. Provenance: wikidata.org.
  15. [25] . Complete List of Royal Society Fellows 1660-2007. wikidata.org.
  16. [26] . toureiffel.paris. toureiffel.paris. Provenance: wikidata.org.
  17. [27] . wikidata.org.
  18. [3] . Integrated Authority File. Retrieved . brockhaus.de. Provenance: wikidata.org.
  19. [5] . Integrated Authority File. Retrieved . brockhaus.de. Provenance: wikidata.org.
  20. [18] . wikidata.org.
  21. [19] . wikidata.org.
  22. [20] . wikidata.org.
  23. [21] . wikidata.org.
  24. [22] . wikidata.org.
  25. [23] . wikidata.org.
  26. [34] . MacTutor History of Mathematics archive. wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [74] . wikidata.org. → on this site
  2. [75] . wikidata.org. → on this site
  3. [53] . wikidata.org. → on this site
  4. [56] . wikidata.org. → on this site
  5. [57] . wikidata.org. → on this site
  6. [60] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [28] . Wikidata. wikidata.org. → on this site
  2. [29] . Wikidata. wikidata.org. → on this site
  3. [30] . Wikidata. wikidata.org. → on this site
  4. [31] . Wikidata. wikidata.org. → on this site
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  9. [37] . Wikidata. wikidata.org. → on this site
  10. [38] . Wikidata. wikidata.org. → on this site
  11. [39] . Wikidata. wikidata.org. → on this site
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  13. [41] . Wikidata. wikidata.org. → on this site
  14. [42] . Wikidata. wikidata.org. → on this site
  15. [43] . Wikidata. wikidata.org. → on this site
  16. [44] . Wikidata. wikidata.org. → on this site
  17. [62] . Wikidata. wikidata.org. → on this site
  18. [63] . Wikidata. wikidata.org. → on this site
  19. [64] . Wikidata. wikidata.org. → on this site
  20. [65] . Wikidata. wikidata.org. → on this site
  21. [66] . Wikidata. wikidata.org. → on this site
  22. [67] . Wikidata. wikidata.org. → on this site
  23. [68] . Wikidata. wikidata.org. → on this site
  24. [69] . Wikidata. wikidata.org. → on this site
  25. [70] . Wikidata. wikidata.org. → on this site
  26. [71] . Wikidata. wikidata.org. → on this site
  27. [45] . Wikidata. wikidata.org. → on this site
  28. [46] . Wikidata. wikidata.org. → on this site
  29. [47] . Wikidata. wikidata.org. → on this site
  30. [48] . Wikidata. wikidata.org. → on this site
  31. [49] . Wikidata. wikidata.org. → on this site
  32. [50] . Wikidata. wikidata.org. → on this site
  33. [51] . Wikidata. wikidata.org. → on this site
  34. [52] . Wikidata. wikidata.org. → on this site
  35. [76] . Wikidata. wikidata.org. → on this site
  36. [77] . Wikidata. wikidata.org. → on this site
  37. [54] . Wikidata. wikidata.org. → on this site
  38. [55] . Wikidata. wikidata.org. → on this site
  39. [58] . Wikidata. wikidata.org. → on this site
  40. [59] . Wikidata. wikidata.org. → on this site
  41. [61] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [8] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [72] . Wikidata sitelinks. wikidata.org.
  3. [73] . Wikidata aliases. wikidata.org.

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 17h ago · Quesotiotyo · 2026-05-20 view diff on Wikidata ↗
    P14397 1700
    Cerl thesaurus id cnp00545079
    "/* wbcreateclaim-create:1| */ [[Property:P14397]]: 1700, [[:toollabs:quickstatements/#/batch/258229|batch #258229]]"
  2. 8d ago · Epìdosis · 2026-05-12 view diff on Wikidata ↗
    Field of work physics, mechanics, optics
    Topic's main category Category:Léon Foucault
    Student of Alfred François Donné
    Place of birth Paris
    + 43 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30846|batch #30846]]: match CERL IDs on the basis of GND (4)"
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