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Paul Jaccard

Swiss botanist (1868-1944)
Person human Q2743817

Facts

17 properties
Instance of
human
Sex or gender
male[15]
Date of birth
November 18, 1868
Date of death
May 9, 1944
Place of birth
Sainte-Croix
Place of death
Zurich
Country of citizenship
Switzerland[9]
Occupation
botanist, mathematician, university teacher, ordinary professor
Employer
ETH Zurich[11]
Field of work
plant physiology[10]
Educated at
University of Lausanne, ETH Zurich[12][13]
Languages spoken, written or signed
French[20]
Archives at
ETH Zurich University Archives, ETH Zurich University Archives[16]
Family name
Jaccard[17]
Given name
Paul[18]
Municipal affiliation of a Swiss national
Sainte-Croix[19]
Student
Walo Koch[14]
🏷️ Also known as
en Paul Jaccard ru Жаккар, Поль ru Поль Жаккар
🔖 Identifiers · 21
ISNI
0000000010317686
VIAF cluster ID
57396656
Library of Congress authority ID
no2022038603
GND ID
117603260
Image (Wikimedia Commons)
ETH-BIB-Jaccard, Paul (1868-1944)-Portr 00152.tif ↗
Academic Tree ID
53031
BDELIS ID
76306
Bibliothèque nationale de France ID
102749174
DDB person (GND) ID
117603260
Deutsche Biographie (GND) ID
117603260
Freebase ID
/m/02pswfv
HDS ID
031406
Show all 21 identifiers +9
Harvard Index of Botanists ID
39765
IdRef ID
143144308
Kalliope-Verbund (GND) ID
117603260
Mathematics Genealogy Project ID
234336
Nationale Thesaurus voor Auteursnamen ID
299395383
Patrinum ID
43704
RERO ID (legacy)
A012357433
ZOBODAT person ID
148937
Zürich Herbaria collector ID
243

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Occupation 3
mathematician, botanist, university teacher
Educated at 2
ETH Zurich, University of Lausanne
Country of citizenship 1
Switzerland
Employer 1
ETH Zurich
Field of work 1
plant physiology
Given name 1
Paul
Instance of 1
human
Languages spoken, written or signed 1
French
Municipal affiliation of a Swiss national 1
Sainte-Croix
Named after 1
Jaccard index
Place of birth 1
Sainte-Croix
Place of death 1
Zurich
Sex or gender 1
male
Student 1
Walo Koch
Students 1
Walo Koch
← Discoverer or inventor 1
Jaccard index
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Summary

Paul Jaccard was born on November 18, 1868[1], in Sainte-Croix[2]. He died on May 9, 1944[3], in Zurich[4]. He worked as a botanist[5], mathematician[6], university teacher[7], and ordinary professor[8].

Body

Works and Contributions

Things named for Paul Jaccard include Jaccard index[21], a string metric[22].

Why It Matters

He is credited with the discovery of Jaccard index[23], a string metric[24]. Entities named for him include Jaccard index[21], a string metric[22].

FAQs

Where was Paul Jaccard born?

Paul Jaccard's place of birth was Sainte-Croix[2].

Where did Paul Jaccard die?

Paul Jaccard died in Zurich[4].

What did Paul Jaccard do for work?

Paul Jaccard worked as a botanist[5], mathematician[6], university teacher[7], and ordinary professor[8].

Where did Paul Jaccard go to school?

Paul Jaccard was educated at University of Lausanne[12] and ETH Zurich[13].

What did Paul Jaccard discover?

Paul Jaccard is credited as discoverer of Jaccard index[23].

Related Entities

plant physiology Switzerland

References

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

Direct Wikidata claims

  1. [2] ↑ . Historical Dictionary of Switzerland. Retrieved . wikidata.org.
  2. [4] ↑ . Historical Dictionary of Switzerland. Retrieved . wikidata.org.
  3. [15] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  4. [9] ↑ . wikidata.org.
  5. [12] ↑ . Mathematics Genealogy Project. wikidata.org.
  6. [13] ↑ . wikidata.org.
  7. [10] ↑ . wikidata.org.
  8. [5] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  9. [6] ↑ . wikidata.org.
  10. [7] ↑ . Retrieved . wikidata.org.
  11. [8] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  12. [11] ↑ . wikidata.org.
  13. [16] ↑ . vls.hsa.ethz.ch. Retrieved . vls.hsa.ethz.ch. Provenance: wikidata.org.
  14. [1] ↑ . Historical Dictionary of Switzerland. Retrieved . patrinum.ch. Provenance: wikidata.org.
  15. [3] ↑ . Historical Dictionary of Switzerland. Retrieved . patrinum.ch. Provenance: wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [14] ↑ . Mathematics Genealogy Project. wikidata.org.
  19. [19] ↑ . Historical Dictionary of Switzerland. Retrieved . wikidata.org.
  20. [20] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [23] ↑ . wikidata.org. → on this site
  2. [21] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [24] ↑ . Wikidata. wikidata.org. → on this site
  2. [22] ↑ . Wikidata. wikidata.org. → on this site

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Paul Jaccard. Retrieved November 6, 2026, from https://4ort.xyz/entity/paul-jaccard
MLA “Paul Jaccard.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/paul-jaccard.
BibTeX @misc{4ortxyz_paul-jaccard_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Paul Jaccard}}, year = {2026}, url = {https://4ort.xyz/entity/paul-jaccard}, note = {Accessed: 2026-11-06}}
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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. 13d ago · OKA bot bot · 2026-10-24 view diff on Wikidata ↗
    Wikipedia languages → ['commons', 'de', 'en', 'es', 'fr', 'ru', 'uk', 'vi']
    Claims rich → —
    "/* wbeditentity-statements-multiple-properties-update:0||4 */ source for date of birth, source for place of birth, source for date of death, source for place of death from the Historical Dictionary of"
  2. 24w ago · Epìdosis · 2026-05-19 view diff on Wikidata ↗
    Place of birth → Sainte-Croix
    Citizenship → —
    Educated at → University of Lausanne, ETH Zurich
    Occupation → botanist, mathematician, university teacher +1
    + 18 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/32082|batch #32082]]: import P21 and P106 from GND (24)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.