Max Dehn

German-American mathematician (1878-1952)
Person human Q61732
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Max Dehn

Summary

Max Dehn is a human[1]. He was born in Hamburg[2]. He was born on November 13, 1878[3]. He passed away in Black Mountain[4]. He died on June 27, 1952[5]. He worked as a mathematician[6], historian of mathematics[7], topologist[8], and university teacher[9]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (148 views/month, #7,280 of 1,000,298).[10]

Key Facts

  • Born in Hamburg[2], Max Dehn…
  • Max Dehn passed away in Black Mountain[4].
  • Max Dehn was born on November 13, 1878[3].
  • Max Dehn died on June 27, 1952[5].
  • Max Dehn is buried at Black Mountain College[11].
  • Max Dehn's father was Dr. med. Maximilian Moses Dehn[12].
  • Max Dehn was married to Toni Dehn[13].
  • Max Dehn held citizenship in Germany[14].
  • Max Dehn held citizenship in United States[15].
  • Max Dehn is identified as part of the Jewish people ethnic group[16].
  • Max Dehn worked as a mathematician[6].
  • Max Dehn's professions included historian of mathematics[7].
  • Max Dehn's professions included topologist[8].
  • Max Dehn worked as a university teacher[9].
  • Max Dehn's field of work was group theory[17].
  • Max Dehn's field of work was topology[18].
  • Max Dehn's field of work was mathematics[19].
  • Max Dehn's field of work was geometry[20].
  • Among Max Dehn's employers was Goethe University Frankfurt[21].
  • Among Max Dehn's employers was University of Münster[22].
  • Max Dehn was employed by Illinois Institute of Technology[23].
  • Max Dehn was employed by Kiel University[24].
  • Among Max Dehn's employers was University of Wrocław[25].
  • Among Max Dehn's employers was Norwegian Institute of Technology[26].
  • Max Dehn was educated at University of Göttingen[27].

Body

Origins and Family

Born in Hamburg[2], Max Dehn… he was born on November 13, 1878[3]. His father was Dr. med. Maximilian Moses Dehn[12]. He is identified as part of the Jewish people ethnic group[16].

Education

Max Dehn's education included a stint at University of Göttingen[27]. His doctoral advisor was David Hilbert[28].

Career and Affiliations

Recorded occupations include mathematician[6], historian of mathematics[7], topologist[8], and university teacher[9]. Fields of work include group theory[17], a branch of mathematics[29]; topology[18], a branch of mathematics[30]; mathematics[19], an academic discipline[31]; and geometry[20], a branch of mathematics[32]. Employers include Goethe University Frankfurt[21], a public university[33], in Germany[34], founded in 1914[35], headquartered in Jügelhaus[36]; University of Münster[22], a public university[37], in Germany[38], founded in 1780[39], headquartered in Münster[40]; Illinois Institute of Technology[23], a university[41], in United States[42], founded in 1940[43], headquartered in Chicago[44]; Kiel University[24], a public university[45], in Germany[46], founded in 1665[47], headquartered in Kiel[48]; University of Wrocław[25], a university[49], in Poland[50], founded in 1702[51]; and Norwegian Institute of Technology[26], a Technische Hochschule[52], in Norway[53], founded in 1910[54]. Doctoral students include Ruth Moufang[55], a mathematician[56], 1905–1977[57], of Germany[58], specialised in algebra[59]; Ott-Heinrich Keller[60], a mathematician[61], 1906–1990[62], of Germany[63], awarded the National Prize of East Germany[64], specialised in geometry[65]; Wilhelm Magnus[66], a mathematician[67], 1907–1990[68], of Germany[69], awarded the Guggenheim Fellowship[70], specialised in group theory[71]; Jakob Nielsen[72]; Joseph Henry Engel[73]; and Herbert Fuss[74].

Works and Contributions

Notable works include Dehn invariant[75], Dehn twist[76], Dehn's lemma[77], Dehn surgery[78], Dehn function[79], and hyperbolic Dehn surgery[80]. Things named for Max Dehn include Dehn invariant[81], a mathematical concept[82] and Dehn's lemma[83], a theorem[84].

Personal Life

Among Max Dehn's spouses was Toni Dehn[13].

Death and Burial

Max Dehn died on June 27, 1952[5]. He died in Black Mountain[4]. He is buried at Black Mountain College[11].

Why It Matters

Max Dehn ranks in the top 0.73% of human entities by monthly Wikipedia readership (148 views/month, #7,280 of 1,000,298).[10] He has Wikipedia articles in 18 language editions, a strong signal of global cultural recognition.[85] He is known by 10 alternative names across languages and contexts.[86]

Entities named for him include Dehn invariant[81], a mathematical concept[82] and Dehn's lemma[83], a theorem[84].

His notable doctoral advisees include Ruth Moufang[87], a mathematician[88], 1905–1977[89], of Germany[90], specialised in algebra[91]; Wilhelm Magnus[92], a mathematician[93], 1907–1990[94], of Germany[95], awarded the Guggenheim Fellowship[96], specialised in group theory[97]; Jakob Nielsen[98], a mathematician[99], 1890–1959[100], of Kingdom of Denmark[101], specialised in topology[102]; and Ott-Heinrich Keller[103], a mathematician[104], 1906–1990[105], of Germany[106], awarded the National Prize of East Germany[107], specialised in geometry[108].

FAQs

Where was Max Dehn born?

Born in Hamburg[2], Max Dehn…

Where did Max Dehn die?

Max Dehn died in Black Mountain[4].

Who were Max Dehn's parents?

Max Dehn's father was Dr. med. Maximilian Moses Dehn[12].

Who was Max Dehn married to?

Max Dehn's spouses include Toni Dehn[13].

What did Max Dehn do for work?

Max Dehn worked as mathematician[6], historian of mathematics[7], topologist[8], and university teacher[9].

Where did Max Dehn go to school?

Max Dehn was educated at University of Göttingen[27].

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] . wikidata.org.
  3. [12] . Geni.com. wikidata.org.
  4. [13] . wikidata.org.
  5. [14] . wikidata.org.
  6. [15] . wikidata.org.
  7. [27] . wikidata.org.
  8. [17] . Czech National Authority Database. Retrieved . wikidata.org.
  9. [18] . Czech National Authority Database. Retrieved . wikidata.org.
  10. [19] . Czech National Authority Database. Retrieved . wikidata.org.
  11. [20] . Czech National Authority Database. Retrieved . wikidata.org.
  12. [6] . wikidata.org.
  13. [7] . wikidata.org.
  14. [8] . wikidata.org.
  15. [9] . wikidata.org.
  16. [21] . MacTutor History of Mathematics archive. 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. [25] . MacTutor History of Mathematics archive. wikidata.org.
  21. [26] . MacTutor History of Mathematics archive. wikidata.org.
  22. [11] . radiosefarad.com. radiosefarad.com. Provenance: wikidata.org.
  23. [16] . MacTutor History of Mathematics archive. wikidata.org.
  24. [28] . wikidata.org.
  25. [55] . Mathematics Genealogy Project. wikidata.org.
  26. [60] . Mathematics Genealogy Project. wikidata.org.
  27. [66] . Mathematics Genealogy Project. wikidata.org.
  28. [72] . Mathematics Genealogy Project. wikidata.org.
  29. [73] . Mathematics Genealogy Project. wikidata.org.
  30. [74] . Mathematics Genealogy Project. wikidata.org.
  31. [3] . Integrated Authority File. Retrieved . wikidata.org.
  32. [5] . Integrated Authority File. Retrieved . wikidata.org.
  33. [75] . wikidata.org.
  34. [76] . wikidata.org.
  35. [77] . wikidata.org.
  36. [78] . wikidata.org.
  37. [79] . wikidata.org.
  38. [80] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [87] . wikidata.org. → on this site
  2. [92] . wikidata.org. → on this site
  3. [98] . wikidata.org. → on this site
  4. [103] . wikidata.org. → on this site
  5. [81] . wikidata.org. → on this site
  6. [83] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [29] . Wikidata. wikidata.org. → on this site
  2. [30] . Wikidata. wikidata.org. → on this site
  3. [31] . Wikidata. wikidata.org. → on this site
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Class ancestry

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

Aggregate / graph-position facts

  1. [10] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [85] . Wikidata sitelinks. wikidata.org.
  3. [86] . Wikidata aliases. wikidata.org.

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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). Max Dehn. Retrieved April 10, 2026, from https://4ort.xyz/entity/max-dehn
MLA “Max Dehn.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/max-dehn.
BibTeX @misc{4ortxyz_max-dehn_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Max Dehn}}, year = {2026}, url = {https://4ort.xyz/entity/max-dehn}, note = {Accessed: 2026-04-10}}
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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. 1d ago · Epìdosis · 2026-05-21 view diff on Wikidata ↗
    Employer Goethe University Frankfurt, University of Münster, Illinois Institute of Technology +4
    Described by source Hamburg Biographies
    Family name Dehn
    Maintained by wikiproject WikiProject Mathematics
    + 27 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/32119|batch #32119]]: import P21 and P106 from GND (32)"
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