Johannes Kepler

German mathematician and astronomer (1571–1630)
Person human Q8963
Johannes Kepler
August Köhler [1] · Public Domain · Wikimedia
Press Enter · cited answer in seconds

Johannes Kepler

Summary

Johannes Kepler is a human[1]. He was born in Weil der Stadt[2]. He was born on December 27, 1571[3]. He died in Regensburg[4]. He died on November 15, 1630[5]. He worked as a naturalist[6], astrologer[7], Protestant theologian[8], mathematician[9], and astronomer[10]. He ranks in the top 0.59% of human entities by monthly Wikipedia readership (9,033 views/month, #5,890 of 1,000,298).[11]

Key Facts

  • Johannes Kepler's place of birth was Weil der Stadt[2].
  • Johannes Kepler died in Regensburg[4].
  • Johannes Kepler was born on December 27, 1571[3].
  • Johannes Kepler was born on December 21, 1571[12].
  • Johannes Kepler died on November 15, 1630[5].
  • Burial took place at Regensburg[13].
  • Johannes Kepler's father was Heinrich Kepler[14].
  • Johannes Kepler's mother was Katharina Kepler[15].
  • Johannes Kepler was married to Barbara Müller[16].
  • Among Johannes Kepler's spouses was Susanne Reuttinger[17].
  • Johannes Kepler held citizenship in Duchy of Württemberg[18].
  • Johannes Kepler held citizenship in Holy Roman Empire[19].
  • Johannes Kepler's professions included naturalist[6].
  • Johannes Kepler worked as an astrologer[7].
  • Johannes Kepler worked as a Protestant theologian[8].
  • Johannes Kepler worked as a mathematician[9].
  • Johannes Kepler worked as an astronomer[10].
  • Johannes Kepler worked as a musicologist[20].
  • Johannes Kepler's field of work was optics[21].
  • Johannes Kepler's field of work was astronomy[22].
  • Johannes Kepler's field of work was mathematics[23].
  • Johannes Kepler's field of work was mechanics[24].
  • Among Johannes Kepler's employers was University of Graz[25].
  • Johannes Kepler was employed by Emperor Rudolf II[26].
  • Among Johannes Kepler's employers was Linz[27].

Body

Origins and Family

Born in Weil der Stadt[2], Johannes Kepler… Recorded date of birth include December 27, 1571[3] and December 21, 1571[12]. His father was Heinrich Kepler[14]. His mother was Katharina Kepler[15].

Education

Educated at University of Tübingen[28], a comprehensive university[29], in Germany[30], founded in 1477[31], headquartered in Tübingen[32]; Evangelical Seminaries of Maulbronn and Blaubeuren[33], a seminary[34], in Germany[35], founded in 1556[36]; and Tübinger Stift[37], a seminary[38], in Germany[39]. Doctoral advisors include Michael Maestlin[40], a mathematician[41], 1550–1631[42], of Holy Roman Empire[43], specialised in astronomy[44] and Tycho Brahe[45], an astronomer[46], 1546–1601[47], of Kingdom of Denmark[48], awarded the Knight of the Order of the Elephant[49], specialised in astronomy[50]. Academic degrees include Bachelor of Arts[51] and Master of Arts[52].

Career and Affiliations

Recorded occupations include naturalist[6], astrologer[7], Protestant theologian[8], mathematician[9], astronomer[10], and musicologist[20]. Fields of work include optics[21], a branch of physics[53]; astronomy[22], a branch of science[54]; mathematics[23], an academic discipline[55]; and mechanics[24], a branch of physics[56]. Employers include University of Graz[25], a university[57], in Austria[58], founded in 1585[59], headquartered in Main building of the University of Graz[60]; Emperor Rudolf II[26], a politician[61], 1552–1612[62], of Holy Roman Empire[63], awarded the Knight of the Order of the Golden Fleece[64]; and Linz[27], a statutory city of Austria[65], in Austria[66]. Notable students include Peter Crüger[67], Ambrosius Rhode[68], and Johann Odontius[69].

Works and Contributions

Notable works include Astronomia nova[70], Harmonices Mundi[71], Epitome Astronomiae Copernicanae[72], De Cometis Libelli Tres[73], Rudolphine Tables[74], and Astronomiae Pars Optica[75]. Things named for Johannes Kepler include Kepler's laws of planetary motion[76], Kepler Space Telescope[77], Kepler conjecture[78], Kepler's equation[79], Kepler orbit[80], Kepler–Poinsot polyhedron[81], Kepler[82], and Johannes Kepler University Linz[83].

Recognition

Johannes Kepler received the International Space Hall of Fame[84].

Personal Life

Spouses include Barbara Müller[16], 1573–1611[85] and Susanne Reuttinger[17], 1595–1636[86]. Johannes Kepler's religion is recorded as Lutheranism[87].

Death and Burial

Johannes Kepler died on November 15, 1630[5]. He died in Regensburg[4]. He is buried at Regensburg[13].

Why It Matters

Johannes Kepler ranks in the top 0.59% of human entities by monthly Wikipedia readership (9,033 views/month, #5,890 of 1,000,298).[11] He has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[88] He is known by 49 alternative names across languages and contexts.[89]

He has been cited as an influence by Benoit Mandelbrot[90], a mathematician[91], 1924–2010[92], of Poland[93], awarded the Officer of the Legion of Honour[94], specialised in fractal[95] and Thomas Street[96], an astronomer[97], 1621–1689[98], of Kingdom of England[99], specialised in mathematics[100].

He is credited with the discovery of gear pump[101], a machine[102]. Works attributed to him include Kepler conjecture[103], a mathematical problem[104], in Czech Republic[105], founded in 1611[106]; Somnium[107], a literary work[108]; Mysterium Cosmographicum[109], a written work[110]; Harmonices Mundi[111], a written work[112]; Astronomia nova[113], a written work[114]; and Rudolphine Tables[115]. Entities named for him include Kepler's laws of planetary motion[76], Kepler Space Telescope[77], Kepler conjecture[78], Kepler's equation[79], Kepler orbit[80], and Kepler–Poinsot polyhedron[81].

FAQs

Where was Johannes Kepler born?

Born in Weil der Stadt[2], Johannes Kepler…

Where did Johannes Kepler die?

Johannes Kepler passed away in Regensburg[4].

Who were Johannes Kepler's parents?

Johannes Kepler's father was Heinrich Kepler[14]. Johannes Kepler's mother was Katharina Kepler[15].

Who was Johannes Kepler married to?

Johannes Kepler's spouses include Barbara Müller[16] and Susanne Reuttinger[17].

What did Johannes Kepler do for work?

Johannes Kepler worked as naturalist[6], astrologer[7], Protestant theologian[8], mathematician[9], and astronomer[10].

Where did Johannes Kepler go to school?

Johannes Kepler was educated at University of Tübingen[28], Evangelical Seminaries of Maulbronn and Blaubeuren[33], and Tübinger Stift[37].

What awards did Johannes Kepler receive?

Honors received include International Space Hall of Fame[84].

Who did Johannes Kepler influence?

Johannes Kepler has been cited as an influence by Benoit Mandelbrot[90] and Thomas Street[96].

What did Johannes Kepler discover?

Johannes Kepler is credited as discoverer of gear pump[101].

References

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

Direct Wikidata claims

  1. [2] ↑ . Kepler. weil-der-stadt.de. Provenance: wikidata.org.
  2. [4] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  3. [14] ↑ . Genealogics. wikidata.org.
  4. [15] ↑ . wikidata.org.
  5. [16] ↑ . wikidata.org.
  6. [17] ↑ . wikidata.org.
  7. [18] ↑ . wikidata.org.
  8. [19] ↑ . wikidata.org.
  9. [28] ↑ . A Short History of Astronomy. wikidata.org.
  10. [33] ↑ . wikidata.org.
  11. [37] ↑ . wikidata.org.
  12. [21] ↑ . wikidata.org.
  13. [22] ↑ . wikidata.org.
  14. [23] ↑ . wikidata.org.
  15. [24] ↑ . wikidata.org.
  16. [6] ↑ . wikidata.org.
  17. [7] ↑ . The Fine Art Archive. Retrieved . wikidata.org.
  18. [8] ↑ . wikidata.org.
  19. [9] ↑ . The Fine Art Archive. Retrieved . wikidata.org.
  20. [10] ↑ . The Fine Art Archive. Retrieved . wikidata.org.
  21. [20] ↑ . wikidata.org.
  22. [25] ↑ . wikidata.org.
  23. [26] ↑ . wikidata.org.
  24. [27] ↑ . wikidata.org.
  25. [13] ↑ . wikidata.org.
  26. [87] ↑ . Kepler. wikidata.org.
  27. [84] ↑ . El Paso Times. Retrieved . nmspacemuseum.org. Provenance: wikidata.org.
  28. [40] ↑ . wikidata.org.
  29. [45] ↑ . Mathematics Genealogy Project. wikidata.org.
  30. [51] ↑ . A Short History of Astronomy. wikidata.org.
  31. [52] ↑ . A Short History of Astronomy. wikidata.org.
  32. [3] ↑ . BnF authorities. Retrieved . wikidata.org.
  33. [12] ↑ . Kepler. wikidata.org.
  34. [5] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  35. [70] ↑ . A Short History of Astronomy. wikidata.org.
  36. [71] ↑ . A Short History of Astronomy. wikidata.org.
  37. [72] ↑ . A Short History of Astronomy. wikidata.org.
  38. [73] ↑ . A Short History of Astronomy. wikidata.org.
  39. [74] ↑ . A Short History of Astronomy. wikidata.org.
  40. [75] ↑ . wikidata.org.
  41. [67] ↑ . wikidata.org.
  42. [68] ↑ . Mathematics Genealogy Project. wikidata.org.
  43. [69] ↑ . Mathematics Genealogy Project. wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [90] ↑ . wikidata.org. → on this site
  2. [96] ↑ . wikidata.org. → on this site
  3. [101] ↑ . wikidata.org. → on this site
  4. [103] ↑ . wikidata.org. → on this site
  5. [107] ↑ . wikidata.org. → on this site
  6. [109] ↑ . wikidata.org. → on this site
  7. [111] ↑ . wikidata.org. → on this site
  8. [113] ↑ . wikidata.org. → on this site
  9. [115] ↑ . wikidata.org. → on this site
  10. [76] ↑ . wikidata.org. → on this site
  11. [77] ↑ . wikidata.org. → on this site
  12. [78] ↑ . wikidata.org. → on this site
  13. [79] ↑ . wikidata.org. → on this site
  14. [80] ↑ . wikidata.org. → on this site
  15. [81] ↑ . wikidata.org. → on this site
  16. [82] ↑ . wikidata.org. → on this site
  17. [83] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [85] ↑ . Wikidata. wikidata.org. → on this site
  2. [86] ↑ . Wikidata. wikidata.org. → on this site
  3. [29] ↑ . Wikidata. wikidata.org. → on this site
  4. [30] ↑ . Wikidata. wikidata.org. → on this site
  5. [31] ↑ . Wikidata. wikidata.org. → on this site
  6. [32] ↑ . 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. [38] ↑ . Wikidata. wikidata.org. → on this site
  11. [39] ↑ . Wikidata. wikidata.org. → on this site
  12. [53] ↑ . Wikidata. wikidata.org. → on this site
  13. [54] ↑ . Wikidata. wikidata.org. → on this site
  14. [55] ↑ . Wikidata. wikidata.org. → on this site
  15. [56] ↑ . Wikidata. wikidata.org. → on this site
  16. [57] ↑ . Wikidata. wikidata.org. → on this site
  17. [58] ↑ . Wikidata. wikidata.org. → on this site
  18. [59] ↑ . Wikidata. wikidata.org. → on this site
  19. [60] ↑ . Wikidata. wikidata.org. → on this site
  20. [61] ↑ . Wikidata. wikidata.org. → on this site
  21. [62] ↑ . Wikidata. wikidata.org. → on this site
  22. [63] ↑ . Wikidata. wikidata.org. → on this site
  23. [64] ↑ . Wikidata. wikidata.org. → on this site
  24. [65] ↑ . Wikidata. wikidata.org. → on this site
  25. [66] ↑ . Wikidata. wikidata.org. → on this site
  26. [41] ↑ . Wikidata. wikidata.org. → on this site
  27. [42] ↑ . Wikidata. wikidata.org. → on this site
  28. [43] ↑ . Wikidata. wikidata.org. → on this site
  29. [44] ↑ . Wikidata. wikidata.org. → on this site
  30. [46] ↑ . Wikidata. wikidata.org. → on this site
  31. [47] ↑ . Wikidata. wikidata.org. → on this site
  32. [48] ↑ . Wikidata. wikidata.org. → on this site
  33. [49] ↑ . Wikidata. wikidata.org. → on this site
  34. [50] ↑ . Wikidata. wikidata.org. → on this site
  35. [91] ↑ . Wikidata. wikidata.org. → on this site
  36. [92] ↑ . Wikidata. wikidata.org. → on this site
  37. [93] ↑ . Wikidata. wikidata.org. → on this site
  38. [94] ↑ . Wikidata. wikidata.org. → on this site
  39. [95] ↑ . Wikidata. wikidata.org. → on this site
  40. [97] ↑ . Wikidata. wikidata.org. → on this site
  41. [98] ↑ . Wikidata. wikidata.org. → on this site
  42. [99] ↑ . Wikidata. wikidata.org. → on this site
  43. [100] ↑ . Wikidata. wikidata.org. → on this site
  44. [102] ↑ . Wikidata. wikidata.org. → on this site
  45. [104] ↑ . Wikidata. wikidata.org. → on this site
  46. [105] ↑ . Wikidata. wikidata.org. → on this site
  47. [106] ↑ . Wikidata. wikidata.org. → on this site
  48. [108] ↑ . Wikidata. wikidata.org. → on this site
  49. [110] ↑ . Wikidata. wikidata.org. → on this site
  50. [112] ↑ . Wikidata. wikidata.org. → on this site
  51. [114] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [11] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [88] ↑ . Wikidata sitelinks. wikidata.org.
  3. [89] ↑ . 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). Johannes Kepler. Retrieved October 6, 2026, from https://4ort.xyz/entity/johannes-kepler
MLA “Johannes Kepler.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Oct. 2026, https://4ort.xyz/entity/johannes-kepler.
BibTeX @misc{4ortxyz_johannes-kepler_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Johannes Kepler}}, year = {2026}, url = {https://4ort.xyz/entity/johannes-kepler}, note = {Accessed: 2026-10-06}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Johannes Kepler — https://4ort.xyz/entity/johannes-kepler (retrieved 2026-10-06)

Canonical URL: https://4ort.xyz/entity/johannes-kepler · 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. 2d ago · Printstream · 2026-10-04 view diff on Wikidata ↗
    Sitelink count → 186
    Wikipedia languages → ['af', 'als', 'am', 'an', 'ar', 'arz', 'as', 'ast', 'az', 'azb', 'ba', 'bat_smg'
    P14927 → 118561448
    Claims rich → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/57570|batch #57570]]: Import LEO-BW ID"
  2. 12d ago · Ronald Weiss · 2026-09-24 view diff on Wikidata ↗
    Influenced by → Nicolaus Copernicus, Vitello
    Described by source → Great Soviet Encyclopedia (1969–1978), Small Brockhaus and Efron Encyclopedic Dictionary, Brockhaus and Efron Encyclopedic Dictionary +17
    "/* wbsetclaim-create:2||1 */ [[Property:P1343]]: [[Q141544108]]"
  3. 15d ago · FoeNyx · 2026-09-21 view diff on Wikidata ↗
    Notable work → Astronomia nova, Harmonices Mundi, Epitome Astronomiae Copernicanae +3
    "/* wbsetclaim-create:2||1 */ [[Property:P800]]: [[Q96107063]]"
  4. 20d ago · Ontogon · 2026-09-16 view diff on Wikidata ↗
    Iași central university library id → 003604938
    "/* wbsetclaim-create:2||1 */ [[Property:P9861]]: 003604938"
  5. 6w ago · Mahirtwofivesix · 2026-08-19 view diff on Wikidata ↗
    Babelnet id → 00048280n
    Arabic ontology lexical concept id → 151060324
    "/* wbeditentity-statements-multiple-properties-update:0||4 */ added/modified IDs mapped to WordNet 3.1"
  6. 8w ago · Ronald Weiss · 2026-08-09 view diff on Wikidata ↗
    Described by source → Great Soviet Encyclopedia (1969–1978), Small Brockhaus and Efron Encyclopedic Dictionary, Brockhaus and Efron Encyclopedic Dictionary +17
    "/* wbsetclaim-create:2||1 */ [[Property:P1343]]: [[Q140939751]]"
  7. 10w ago · Birkho · 2026-07-24 view diff on Wikidata ↗
    Signature → Unterschrift Johannes Kepler deutscher Astronom, Physiker, M
    "/* wbsetclaim-update:2||1 */ [[Property:P109]]: Unterschrift Johannes Kepler deutscher Astronom, Physiker, Mathematiker, Astrologe und Naturphilosoph.svg"
  8. 10w ago · Pierrotrgr · 2026-07-23 view diff on Wikidata ↗
    Biblissima authority id → Agbarjin
    "/* wbsetclaim-create:2||1 */ [[Property:P11493]]: Q9257, Import ID Biblissima V3 ([[:toollabs:editgroups/b/OR/31afc9a6fd8|details]])"
  9. 12w ago · Nyuhn · 2026-07-12 view diff on Wikidata ↗
    P14541 → 3PjMI1, 13ITvX
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/41251|batch #41251]]: ZGBK ID"
  10. 13w ago · Printstream · 2026-07-05 view diff on Wikidata ↗
    P14608 → 118561448
    "/* wbcreateclaim-create:1| */ [[Property:P14608]]: 118561448, #quickstatements; #temporary_batch_1783130387391"
  11. 13w ago · Printstream · 2026-07-02 view diff on Wikidata ↗
    P14585 → 38548
    "/* wbcreateclaim-create:1| */ [[Property:P14585]]: 38548, #quickstatements; #temporary_batch_1782930557898"
  12. 14w ago · Printstream · 2026-06-26 view diff on Wikidata ↗
    P14536 → 363321
    "/* wbcreateclaim-create:1| */ [[Property:P14536]]: 363321, #quickstatements; #temporary_batch_1782462304762"
  13. 15w ago · Susmuffin · 2026-06-23 view diff on Wikidata ↗
    Harper's tag → kepler
    "/* wbsetclaim-create:1||1 */ [[Property:P13772]]: kepler, Matched to [[:toollabs:mix-n-match/#/entry/289945369|kepler (#289945369)]] in [[:toollabs:mix-n-match/#/catalog/7915|Harper's tag]] #mix'n'mat"
  14. 16w ago · Jindřich Rubeš · 2026-06-12 view diff on Wikidata ↗
    Svkkl authority id → 0203874-Kepler-Johannes-15711630
    "/* wbcreateclaim-create:1| */ [[Property:P9322]]: 0203874-Kepler-Johannes-15711630, [[:toollabs:quickstatements/#/batch/259497|batch #259497]]"
  15. 18w ago · Pigsonthewing · 2026-05-31 view diff on Wikidata ↗
    P14397 → 6049
    "/* wbcreateclaim-create:1| */ [[Property:P14397]]: 6049, #quickstatements; #temporary_batch_1780225376942"
  16. 21w ago · Awinkler3 · 2026-05-10 view diff on Wikidata ↗
    Local thumb → —
    Described by source → Great Soviet Encyclopedia (1969–1978), Small Brockhaus and Efron Encyclopedic Dictionary, Brockhaus and Efron Encyclopedic Dictionary +17
    "/* wbcreateclaim-create:1| */ [[Property:P1343]]: [[Q139738017]], #quickstatements; #temporary_batch_1778450870349"
  17. 21w ago · Bargioni · 2026-05-07 view diff on Wikidata ↗
    Local thumb → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30469|batch #30469]]: add P1810 to P5739 3/3"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.