János Bolyai

Hungarian mathematician (1802–1860)
Person human Q16924
Press Enter · cited answer in seconds

János Bolyai

Summary

János Bolyai is a human[1]. He was born in Cluj-Napoca[2]. He was born on December 15, 1802[3]. He died in Târgu Mureș[4]. He died on January 27, 1860[5]. He worked as a mathematician[6]. He ranks in the top 0.72% of human entities by monthly Wikipedia readership (67 views/month, #7,214 of 1,000,298).[7]

Key Facts

  • Born in Cluj-Napoca[2], János Bolyai…
  • János Bolyai died in Târgu Mureș[4].
  • János Bolyai was born on December 15, 1802[3].
  • János Bolyai died on January 27, 1860[5].
  • János Bolyai is buried at Reformed Protestant cemetery[8].
  • János Bolyai's father was Farkas Bolyai[9].
  • János Bolyai held citizenship in Austrian Empire[10].
  • János Bolyai worked as a mathematician[6].
  • János Bolyai's field of work was geometry[11].
  • János Bolyai's field of work was non-Euclidean geometry[12].
  • János Bolyai's field of work was mathematics[13].
  • János Bolyai was employed by Imperial Austrian Army[14].
  • János Bolyai was educated at Theresian Military Academy[15].
  • János Bolyai's education included a stint at Reformed School, Târgu Mureș[16].
  • János Bolyai's doctoral advisor was Farkas Bolyai[17].
  • A notable work attributed to János Bolyai is non-Euclidean geometry[18].
  • János Bolyai is recorded as male[19].
  • János Bolyai's instance of is recorded as human[20].
  • János Bolyai's Commons category is recorded as János Bolyai[21].
  • The cause of death was pneumonia[22].
  • János Bolyai's residence is recorded as Transylvania[23].
  • János Bolyai's residence is recorded as Domáld[24].
  • János Bolyai's family name is recorded as Bolyai[25].
  • János Bolyai's given name is recorded as János[26].
  • János Bolyai's topic's main category is recorded as Category:János Bolyai[27].

Body

Origins and Family

János Bolyai was born in Cluj-Napoca[2]. He was born on December 15, 1802[3]. His father was Farkas Bolyai[9].

Education

Educated at Theresian Military Academy[15], a military academy[28], in Austria[29], founded in 1751[30], headquartered in Burg Wiener Neustadt[31] and Reformed School, Târgu Mureș[16], a religious school[32], in Romania[33]. János Bolyai's doctoral advisor was Farkas Bolyai[17].

Career and Affiliations

János Bolyai worked as a mathematician[6]. Fields of work include geometry[11], a branch of mathematics[34]; non-Euclidean geometry[12], a branch of mathematics[35]; and mathematics[13], an academic discipline[36]. He was employed by Imperial Austrian Army[14].

Works and Contributions

A notable work attributed to János Bolyai is non-Euclidean geometry[18]. Things named for him include Babeș-Bolyai University[37], a university[38], in Romania[39], founded in 1776[40]; hyperbolic geometry[41], a branch of mathematics[42]; 1441 Bolyai[43], an asteroid[44]; Bolyai[45], a lunar crater[46]; Bolyai Prize[47], an award[48], in Hungary[49]; and János-Bolyai prize[50], an award[51], in Hungary[52].

Death and Burial

János Bolyai died on January 27, 1860[5]. He passed away in Târgu Mureș[4]. The cause of death was pneumonia[22]. Burial took place at Reformed Protestant cemetery[8].

Why It Matters

János Bolyai ranks in the top 0.72% of human entities by monthly Wikipedia readership (67 views/month, #7,214 of 1,000,298).[7] He has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[53] He is known by 23 alternative names across languages and contexts.[54]

He is credited with the discovery of hyperbolic geometry[55], a branch of mathematics[56]. Entities named for him include Babeș-Bolyai University[37], a university[38], in Romania[39], founded in 1776[40]; hyperbolic geometry[41], a branch of mathematics[42]; 1441 Bolyai[43], an asteroid[44]; Bolyai[45], a lunar crater[46]; Bolyai Prize[47], an award[48], in Hungary[49]; and János-Bolyai prize[50], an award[51], in Hungary[52].

FAQs

Where was János Bolyai born?

János Bolyai was born in Cluj-Napoca[2].

Where did János Bolyai die?

János Bolyai died in Târgu Mureș[4].

Who were János Bolyai's parents?

János Bolyai's father was Farkas Bolyai[9].

What did János Bolyai do for work?

János Bolyai worked as mathematician[6].

Where did János Bolyai go to school?

János Bolyai was educated at Theresian Military Academy[15] and Reformed School, Târgu Mureș[16].

What did János Bolyai discover?

János Bolyai is credited as discoverer of hyperbolic geometry[55].

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. [19] . BnF authorities. Retrieved . wikidata.org.
  4. [9] . wikidata.org.
  5. [10] . wikidata.org.
  6. [20] . BnF authorities. Retrieved . wikidata.org.
  7. [15] . MacTutor History of Mathematics archive. gdz.sub.uni-goettingen.de. Provenance: wikidata.org.
  8. [16] . MacTutor History of Mathematics archive. wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . Czech National Authority Database. Retrieved . wikidata.org.
  11. [13] . Czech National Authority Database. Retrieved . wikidata.org.
  12. [6] . wikidata.org.
  13. [14] . MacTutor History of Mathematics archive. wikidata.org.
  14. [8] . Q12013. wikidata.org.
  15. [17] . wikidata.org.
  16. [21] . wikidata.org.
  17. [22] . MacTutor History of Mathematics archive. wikidata.org.
  18. [23] . wikidata.org.
  19. [24] . MacTutor History of Mathematics archive. wikidata.org.
  20. [3] . BnF authorities. Retrieved . wikidata.org.
  21. [5] . BnF authorities. Retrieved . wikidata.org.
  22. [25] . wikidata.org.
  23. [26] . wikidata.org.
  24. [18] . wikidata.org.
  25. [27] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [55] . wikidata.org. → on this site
  2. [37] . wikidata.org. → on this site
  3. [41] . wikidata.org. → on this site
  4. [43] . wikidata.org. → on this site
  5. [45] . wikidata.org. → on this site
  6. [47] . wikidata.org. → on this site
  7. [50] . 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
  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. [56] . 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. [42] . Wikidata. wikidata.org. → on this site
  15. [44] . Wikidata. wikidata.org. → on this site
  16. [46] . Wikidata. wikidata.org. → on this site
  17. [48] . Wikidata. wikidata.org. → on this site
  18. [49] . Wikidata. wikidata.org. → on this site
  19. [51] . Wikidata. wikidata.org. → on this site
  20. [52] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [7] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [53] . Wikidata sitelinks. wikidata.org.
  3. [54] . Wikidata aliases. wikidata.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). János Bolyai. Retrieved April 10, 2026, from https://4ort.xyz/entity/janos-bolyai
MLA “János Bolyai.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/janos-bolyai.
BibTeX @misc{4ortxyz_janos-bolyai_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{János Bolyai}}, year = {2026}, url = {https://4ort.xyz/entity/janos-bolyai}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): János Bolyai — https://4ort.xyz/entity/janos-bolyai (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/janos-bolyai · Last refreshed:

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. 1d ago · Bargioni · 2026-06-01 view diff on Wikidata ↗
    Citizenship
    Cause of death pneumonia
    Languages spoken, written or signed Latin, Tibetan, Chinese +2
    Image needs reharvest
    + 28 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/34352|batch #34352]]: add P1810 to P8034"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.