Giovanni Girolamo Saccheri

Italian Jesuit and mathematician
Person human Q289517
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Summary

Giovanni Girolamo Saccheri was born in September 1667[1] in Sanremo[2]. He died on October 25, 1733[3], in Milan[4]. He worked as a mathematician[5], philosopher[6], university teacher[7], and chess player[8].

Key Facts

  • Date of birth: September 5, 1667[9]
  • Country of citizenship: Republic of Genoa[10]
  • Field of work: geometry[11]
  • Employer: University of Pavia[12], University of Turin[13]
  • Religion or worldview: Catholicism[14]
  • Sex or gender: male[15]
  • Religious order: Society of Jesus[16]
  • Sport: chess[17]
  • Family name: Saccheri[18]
  • Given name: Giovanni[19], Girolamo[20]
  • Student of: Tommaso Ceva[21]
  • Described by source: Brockhaus and Efron Encyclopedic Dictionary[22], BEIC Digital Library[23]
  • Languages spoken, written or signed: Latin[24]
  • Name in native language: Giovanni Girolamo Saccheri[25]
  • Maintained by WikiProject: WikiProject Mathematics[26]

Body

Works and Contributions

Things named for Giovanni Girolamo Saccheri include Saccheri quadrilateral[27].

Why It Matters

Entities named for him include Saccheri quadrilateral[27].

FAQs

Where was Giovanni Girolamo Saccheri born?

Giovanni Girolamo Saccheri was born in Sanremo[2].

Where did Giovanni Girolamo Saccheri die?

Giovanni Girolamo Saccheri passed away in Milan[4].

What did Giovanni Girolamo Saccheri do for work?

Giovanni Girolamo Saccheri worked as a mathematician[5], philosopher[6], university teacher[7], and chess player[8].

References

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

Direct Wikidata claims

  1. [2] ↑ . Dizionario Biografico degli Italiani. Retrieved . wikidata.org.
  2. [4] ↑ . Dizionario Biografico degli Italiani. Retrieved . wikidata.org.
  3. [15] ↑ . Virtual International Authority File. Retrieved . wikidata.org.
  4. [10] ↑ . wikidata.org.
  5. [11] ↑ . wikidata.org.
  6. [5] ↑ . Dizionario Biografico degli Italiani. Retrieved . wikidata.org.
  7. [6] ↑ . wikidata.org.
  8. [7] ↑ . wikidata.org.
  9. [8] ↑ . Retrieved . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . Retrieved . wikidata.org.
  12. [14] ↑ . Dizionario Biografico degli Italiani. Retrieved . wikidata.org.
  13. [1] ↑ . Dizionario Biografico degli Italiani. Retrieved . wikidata.org.
  14. [9] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  15. [3] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  16. [16] ↑ . Dizionario Biografico degli Italiani. Retrieved . wikidata.org.
  17. [17] ↑ . Dizionario Biografico degli Italiani. Retrieved . wikidata.org.
  18. [18] ↑ . wikidata.org.
  19. [19] ↑ . wikidata.org.
  20. [20] ↑ . wikidata.org.
  21. [21] ↑ . wikidata.org.
  22. [22] ↑ . wikidata.org.
  23. [23] ↑ . digitale.beic.it. digitale.beic.it. Provenance: wikidata.org.
  24. [24] ↑ . BnF authorities. Retrieved . wikidata.org.
  25. [25] ↑ . wikidata.org.
  26. [26] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [27] ↑ . wikidata.org. → on this site

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BibTeX @misc{4ortxyz_giovanni-girolamo-saccheri_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Giovanni Girolamo Saccheri}}, year = {2026}, url = {https://4ort.xyz/entity/giovanni-girolamo-saccheri}, note = {Accessed: 2026-11-01}}
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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. 16w ago · Epìdosis · 2026-07-11 view diff on Wikidata ↗
    P14611 → 209043
    "/* wbcreateclaim-create:1| */ P14611: 209043, [[:toollabs:quickstatements/#/batch/260429|batch #260429]]"
  2. 20w ago · Araz Yaquboglu · 2026-06-10 view diff on Wikidata ↗
    Name in native language → {'lang': 'en', 'text': 'Giovanni Girolamo Saccheri'}
    "/* wbsetclaim-create:2||1 */ Name in native language: Giovanni Girolamo Saccheri"
  3. 21w ago · MariuszRokin · 2026-06-07 view diff on Wikidata ↗
    Parsifal cluster id → 270481, 297526
    Cerl thesaurus id → cnp01360368
    "/* wbcreateclaim-create:1| */ Parsifal cluster id: 297526, [[:toollabs:quickstatements/#/batch/259387|batch #259387]]"
  4. 24w ago · Epìdosis · 2026-05-12 view diff on Wikidata ↗
    Cerl thesaurus id → cnp01360368
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30848|batch #30848]]: match CERL IDs on the basis of GND (5)"
  5. 25w ago · Bargioni · 2026-05-07 view diff on Wikidata ↗
    Family name → Saccheri
    Country of citizenship → Republic of Genoa
    Occupation → —
    Instance of → —
    + 19 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30468|batch #30468]]: add P1810 to P5739 2/3"
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