Hugo Hadwiger

Swiss cryptographer (1908-1981)
Person human Q116655
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Hugo Hadwiger

Summary

Hugo Hadwiger is a human[1]. He was born in Karlsruhe[2]. He was born on +1908-12-23T00:00:00Z[3]. He passed away in Bern[4]. He died on +1981-10-29T00:00:00Z[5]. He worked as a mathematician[6] and cryptographer[7]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (14 views/month, #7,293 of 1,000,298).[8]

Key Facts

  • Hugo Hadwiger was born in Karlsruhe[2].
  • Hugo Hadwiger died in Bern[4].
  • Hugo Hadwiger was born on +1908-12-23T00:00:00Z[3].
  • Hugo Hadwiger died on +1981-10-29T00:00:00Z[5].
  • Hugo Hadwiger held citizenship in Switzerland[9].
  • Hugo Hadwiger's professions included mathematician[6].
  • Hugo Hadwiger's professions included cryptographer[7].
  • Hugo Hadwiger's field of work was geometry[10].
  • Hugo Hadwiger's field of work was graph theory[11].
  • Hugo Hadwiger's field of work was integral geometry[12].
  • Hugo Hadwiger's field of work was convex function[13].
  • Hugo Hadwiger was educated at University of Bern[14].
  • Hugo Hadwiger's doctoral advisor was Willy Scherrer[15].
  • Hugo Hadwiger's religion is recorded as reformed[16].
  • Hugo Hadwiger's image is recorded as Hugo Hadwiger.jpg[17].
  • Hugo Hadwiger is recorded as male[18].
  • Hugo Hadwiger's instance of is recorded as human[19].
  • Hugo Hadwiger supervised Arnold Kirsch as a doctoral student[20].
  • Hugo Hadwiger supervised Peter Mani-Levitska as a doctoral student[21].
  • Hugo Hadwiger supervised Christoph Meier as a doctoral student[22].
  • Hugo Hadwiger supervised Jürg Rätz as a doctoral student[23].
  • Hugo Hadwiger's ISNI is recorded as 0000000109106598[24].
  • Hugo Hadwiger's VIAF cluster ID is recorded as 66544465[25].
  • Hugo Hadwiger's GND ID is recorded as 117711144[26].
  • Hugo Hadwiger's Library of Congress authority ID is recorded as n84802332[27].

Body

Origins and Family

Born in Karlsruhe[2], Hugo Hadwiger… he was born on +1908-12-23T00:00:00Z[3].

Education

Hugo Hadwiger's education included a stint at University of Bern[14]. His doctoral advisor was Willy Scherrer[15].

Career and Affiliations

Recorded occupations include mathematician[6] and cryptographer[7]. Fields of work include geometry[10], a branch of mathematics[28]; graph theory[11], an academic discipline[29]; integral geometry[12], a branch of mathematics[30]; and convex function[13], a type of mathematical function[31]. Doctoral students include Arnold Kirsch[20], a mathematician[32], 1922–2013[33], of Germany[34]; Peter Mani-Levitska[21], a mathematician[35]; Christoph Meier[22]; and Jürg Rätz[23], a mathematician[36], 1935–2024[37].

Personal Life

Hugo Hadwiger's religion is recorded as reformed[16].

Death and Burial

Hugo Hadwiger died on +1981-10-29T00:00:00Z[5]. He died in Bern[4].

Works and Contributions

Things named for Hugo Hadwiger include Hadwiger–Nelson problem[38], a mathematical problem[39]; Hadwiger conjecture[40], a conjecture[41]; Hadwiger's theorem[42], a theorem[43]; Hadwiger–Finsler inequality[44], a theorem[45]; and Finsler–Hadwiger theorem[46], a theorem[47].

Why It Matters

Hugo Hadwiger ranks in the top 0.73% of human entities by monthly Wikipedia readership (14 views/month, #7,293 of 1,000,298).[8] He has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[48] He is known by 5 alternative names across languages and contexts.[49]

Entities named for him include Hadwiger–Nelson problem[38], a mathematical problem[39]; Hadwiger conjecture[40], a conjecture[41]; Hadwiger's theorem[42], a theorem[43]; Hadwiger–Finsler inequality[44], a theorem[45]; and Finsler–Hadwiger theorem[46], a theorem[47].

FAQs

Where was Hugo Hadwiger born?

Hugo Hadwiger was born in Karlsruhe[2].

Where did Hugo Hadwiger die?

Hugo Hadwiger passed away in Bern[4].

What did Hugo Hadwiger do for work?

Hugo Hadwiger worked as mathematician[6] and cryptographer[7].

Where did Hugo Hadwiger go to school?

Hugo Hadwiger was educated at University of Bern[14].

References

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

Direct Wikidata claims

  1. [17] . wikidata.org.
  2. [2] . wikidata.org.
  3. [4] . wikidata.org.
  4. [18] . Integrated Authority File. Retrieved . wikidata.org.
  5. [9] . wikidata.org.
  6. [19] . wikidata.org.
  7. [14] . wikidata.org.
  8. [10] . Czech National Authority Database. Retrieved . wikidata.org.
  9. [11] . Czech National Authority Database. Retrieved . 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. [7] . wikidata.org.
  14. [16] . Historical Dictionary of Switzerland. Retrieved . wikidata.org.
  15. [15] . 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] . International Standard Name Identifier. wikidata.org.
  21. [25] . wikidata.org.
  22. [26] . wikidata.org.
  23. [27] . wikidata.org.
  24. [3] . Integrated Authority File. Retrieved . wikidata.org.
  25. [5] . Integrated Authority File. Retrieved . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [38] . wikidata.org. → on this site
  2. [40] . wikidata.org. → on this site
  3. [42] . wikidata.org. → on this site
  4. [44] . wikidata.org. → on this site
  5. [46] . 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. [37] . Wikidata. wikidata.org. → on this site
  11. [39] . Wikidata. wikidata.org. → on this site
  12. [41] . Wikidata. wikidata.org. → on this site
  13. [43] . Wikidata. wikidata.org. → on this site
  14. [45] . Wikidata. wikidata.org. → on this site
  15. [47] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [8] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [48] . Wikidata sitelinks. wikidata.org.
  3. [49] . 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). Hugo Hadwiger. Retrieved April 10, 2026, from https://4ort.xyz/entity/hugo-hadwiger
MLA “Hugo Hadwiger.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/hugo-hadwiger.
BibTeX @misc{4ortxyz_hugo-hadwiger_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Hugo Hadwiger}}, year = {2026}, url = {https://4ort.xyz/entity/hugo-hadwiger}, note = {Accessed: 2026-04-10}}
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