Ruth Kellerhals

Swiss mathematician
Person human Q6489208
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Ruth Kellerhals

Summary

Ruth Kellerhals is a human[1]. Born in Hägendorf[2], she… she was born on July 17, 1957[3]. She worked as a mathematician[4] and university teacher[5]. She ranks in the top 0.73% of human entities by monthly Wikipedia readership (7 views/month, #7,300 of 1,000,298).[6]

Key Facts

  • Ruth Kellerhals's place of birth was Hägendorf[2].
  • Ruth Kellerhals was born on July 17, 1957[3].
  • Ruth Kellerhals held citizenship in Switzerland[7].
  • Ruth Kellerhals's professions included mathematician[4].
  • Ruth Kellerhals worked as a university teacher[5].
  • Among Ruth Kellerhals's employers was University of Fribourg[8].
  • Ruth Kellerhals was employed by Stony Brook University[9].
  • Ruth Kellerhals was educated at University of Basel[10].
  • Ruth Kellerhals's education included a stint at Grenoble Alpes University[11].
  • Ruth Kellerhals's doctoral advisor was Hans Christoph Im Hof[12].
  • Ruth Kellerhals was a member of Swiss Mathematical Society[13].
  • Ruth Kellerhals is recorded as female[14].
  • Ruth Kellerhals's instance of is recorded as human[15].
  • Ruth Kellerhals supervised Thierry Hild as a doctoral student[16].
  • Ruth Kellerhals supervised Thomas Zehrt as a doctoral student[17].
  • Ruth Kellerhals supervised Vincent Emery as a doctoral student[18].
  • Ruth Kellerhals supervised Geneviève Perren as a doctoral student[19].
  • Ruth Kellerhals supervised Alexander Kolpakov as a doctoral student[20].
  • Ruth Kellerhals supervised Yuriko Umemoto as a doctoral student[21].
  • Ruth Kellerhals supervised Matthieu Jacquemet as a doctoral student[22].
  • Ruth Kellerhals supervised Jordane Granier as a doctoral student[23].
  • Ruth Kellerhals supervised Rafael Guglielmetti as a doctoral student[24].
  • Ruth Kellerhals supervised Tomoshige Yukita as a doctoral student[25].
  • Ruth Kellerhals's family name is recorded as Q37071668[26].
  • Ruth Kellerhals's given name is recorded as Ruth[27].

Body

Origins and Family

Ruth Kellerhals was born in Hägendorf[2]. She was born on July 17, 1957[3].

Education

Educated at University of Basel[10], a public research university[28], in Switzerland[29], founded in 1460[30], headquartered in Basel[31] and Grenoble Alpes University[11], a grand établissement[32], in France[33], founded in 2020[34], headquartered in Grenoble[35]. Ruth Kellerhals's doctoral advisor was Hans Christoph Im Hof[12].

Career and Affiliations

Recorded occupations include mathematician[4] and university teacher[5]. Employers include University of Fribourg[8], a public university[36], in Switzerland[37], founded in 1889[38] and Stony Brook University[9], a public university[39], in United States[40], founded in 1957[41], headquartered in Stony Brook University[42]. Doctoral students include Thierry Hild[16]; Thomas Zehrt[17]; Vincent Emery[18]; Geneviève Perren[19]; Alexander Kolpakov[20], a mathematician[43]; and Yuriko Umemoto[21].

Why It Matters

Ruth Kellerhals ranks in the top 0.73% of human entities by monthly Wikipedia readership (7 views/month, #7,300 of 1,000,298).[6]

FAQs

Where was Ruth Kellerhals born?

Ruth Kellerhals was born in Hägendorf[2].

What did Ruth Kellerhals do for work?

Ruth Kellerhals worked as mathematician[4] and university teacher[5].

Where did Ruth Kellerhals go to school?

Ruth Kellerhals was educated at University of Basel[10] and Grenoble Alpes University[11].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [14] . wikidata.org.
  3. [7] . wikidata.org.
  4. [15] . wikidata.org.
  5. [10] . wikidata.org.
  6. [11] . wikidata.org.
  7. [4] . wikidata.org.
  8. [5] . wikidata.org.
  9. [8] . wikidata.org.
  10. [9] . wikidata.org.
  11. [12] . Mathematics Genealogy Project. wikidata.org.
  12. [16] . Mathematics Genealogy Project. wikidata.org.
  13. [17] . Mathematics Genealogy Project. wikidata.org.
  14. [18] . Mathematics Genealogy Project. wikidata.org.
  15. [19] . Mathematics Genealogy Project. wikidata.org.
  16. [20] . Mathematics Genealogy Project. wikidata.org.
  17. [21] . Mathematics Genealogy Project. wikidata.org.
  18. [22] . Mathematics Genealogy Project. wikidata.org.
  19. [23] . Mathematics Genealogy Project. wikidata.org.
  20. [24] . Mathematics Genealogy Project. wikidata.org.
  21. [25] . Mathematics Genealogy Project. wikidata.org.
  22. [13] . math.ch. Retrieved . math.ch. Provenance: wikidata.org.
  23. [3] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

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
  5. [32] . Wikidata. wikidata.org. → on this site
  6. [33] . Wikidata. wikidata.org. → on this site
  7. [34] . Wikidata. wikidata.org. → on this site
  8. [35] . Wikidata. wikidata.org. → on this site
  9. [36] . Wikidata. wikidata.org. → on this site
  10. [37] . Wikidata. wikidata.org. → on this site
  11. [38] . Wikidata. wikidata.org. → on this site
  12. [39] . Wikidata. wikidata.org. → on this site
  13. [40] . Wikidata. wikidata.org. → on this site
  14. [41] . Wikidata. wikidata.org. → on this site
  15. [42] . Wikidata. wikidata.org. → on this site
  16. [43] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [6] . Wikimedia Foundation. dumps.wikimedia.org.

📑 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). Ruth Kellerhals. Retrieved May 3, 2026, from https://4ort.xyz/entity/ruth-kellerhals
MLA “Ruth Kellerhals.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ruth-kellerhals.
BibTeX @misc{4ortxyz_ruth-kellerhals_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Ruth Kellerhals}}, year = {2026}, url = {https://4ort.xyz/entity/ruth-kellerhals}, note = {Accessed: 2026-05-03}}
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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. 21d ago · Epìdosis · 2026-05-21 view diff on Wikidata ↗
    Maintained by wikiproject WikiProject Mathematics
    Official website https://homeweb.unifr.ch/kellerha/pub/index.html
    Gnd id 1077764340
    Doctoral student Thierry Hild, Thomas Zehrt, Vincent Emery +7
    + 33 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/32149|batch #32149]]: import P21 and P106 from GND (33)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.