Richard Duffin

American physicist (1909–1996)
Person human Q2149374
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Richard Duffin

Summary

Richard Duffin is a human[1]. He was born in Chicago[2]. He was born on +1909-10-13T00:00:00Z[3]. He died in Pittsburgh[4]. He died on +1996-10-29T00:00:00Z[5]. He worked as a physicist[6], mathematician[7], and university teacher[8]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (25 views/month, #7,276 of 1,000,298).[9]

Key Facts

  • Born in Chicago[2], Richard Duffin…
  • Richard Duffin died in Pittsburgh[4].
  • Richard Duffin was born on +1909-10-13T00:00:00Z[3].
  • Richard Duffin died on +1996-10-29T00:00:00Z[5].
  • Richard Duffin held citizenship in United States[10].
  • Richard Duffin's professions included physicist[6].
  • Richard Duffin worked as a mathematician[7].
  • Richard Duffin worked as a university teacher[8].
  • Richard Duffin's field of work was physics[11].
  • Among Richard Duffin's employers was Purdue University[12].
  • Among Richard Duffin's employers was Carnegie Mellon University[13].
  • Richard Duffin was educated at University of Illinois Urbana–Champaign[14].
  • Richard Duffin's doctoral advisor was Harold Meade Mott-Smith[15].
  • Richard Duffin's doctoral advisor was David G. Bourgin[16].
  • Richard Duffin received the John von Neumann Theory Prize[17].
  • Richard Duffin was a member of National Academy of Sciences[18].
  • Richard Duffin was a member of American Academy of Arts and Sciences[19].
  • Richard Duffin is recorded as male[20].
  • Richard Duffin's instance of is recorded as human[21].
  • Richard Duffin supervised Raoul Bott as a doctoral student[22].
  • Richard Duffin supervised Hans Weinberger as a doctoral student[23].
  • Richard Duffin supervised Tom Morley as a doctoral student[24].
  • Richard Duffin supervised Elmor L. Peterson as a doctoral student[25].
  • Richard Duffin supervised Thomas August Porsching as a doctoral student[26].
  • Richard Duffin supervised Les Andrew Karlovitz as a doctoral student[27].

Body

Origins and Family

Richard Duffin was born in Chicago[2]. He was born on +1909-10-13T00:00:00Z[3].

Education

Richard Duffin was educated at University of Illinois Urbana–Champaign[14]. Doctoral advisors include Harold Meade Mott-Smith[15], b. 1897[28], of United States[29] and David G. Bourgin[16], a mathematician[30].

Career and Affiliations

Recorded occupations include physicist[6], mathematician[7], and university teacher[8]. Richard Duffin's field of work was physics[11]. Employers include Purdue University[12], a public research university[31], in United States[32], founded in 1869[33] and Carnegie Mellon University[13], a private university[34], in United States[35], founded in 1900[36], headquartered in Pittsburgh[37]. Doctoral students include Raoul Bott[22], a mathematician[38], 1923–2005[39], of United States[40], awarded the Guggenheim Fellowship[41], specialised in differential geometry[42]; Hans Weinberger[23], a mathematician[43], 1928–2017[44], of United States[45], awarded the Fellow of the American Mathematical Society[46]; Tom Morley[24], a professor of mathematics[47], of United States[48]; Elmor L. Peterson[25], a professor of mathematics[49], b. 1938[50]; Thomas August Porsching[26]; and Les Andrew Karlovitz[27].

Recognition

Richard Duffin received the John von Neumann Theory Prize[17].

Death and Burial

Richard Duffin died on +1996-10-29T00:00:00Z[5]. He passed away in Pittsburgh[4].

Works and Contributions

Things named for Richard Duffin include Duffin–Schaeffer theorem[51], a conjecture[52].

Why It Matters

Richard Duffin ranks in the top 0.73% of human entities by monthly Wikipedia readership (25 views/month, #7,276 of 1,000,298).[9] He has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[53] He is known by 5 alternative names across languages and contexts.[54]

Entities named for him include Duffin–Schaeffer theorem[51], a conjecture[52].

His notable doctoral advisees include Raoul Bott[55], a mathematician[56], 1923–2005[57], of United States[58], awarded the Guggenheim Fellowship[59], specialised in differential geometry[60].

FAQs

Where was Richard Duffin born?

Richard Duffin was born in Chicago[2].

Where did Richard Duffin die?

Richard Duffin passed away in Pittsburgh[4].

What did Richard Duffin do for work?

Richard Duffin worked as physicist[6], mathematician[7], and university teacher[8].

Where did Richard Duffin go to school?

Richard Duffin was educated at University of Illinois Urbana–Champaign[14].

What awards did Richard Duffin receive?

Honors received include John von Neumann Theory Prize[17].

References

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

Direct Wikidata claims

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

Inverse relationships (entities pointing at this one)

  1. [55] . wikidata.org. → on this site
  2. [51] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [31] . Wikidata. wikidata.org. → on this site
  2. [32] . Wikidata. wikidata.org. → on this site
  3. [33] . Wikidata. wikidata.org. → on this site
  4. [34] . Wikidata. wikidata.org. → on this site
  5. [35] . Wikidata. wikidata.org. → on this site
  6. [36] . Wikidata. wikidata.org. → on this site
  7. [37] . Wikidata. wikidata.org. → on this site
  8. [28] . Wikidata. wikidata.org. → on this site
  9. [29] . Wikidata. wikidata.org. → on this site
  10. [30] . 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
  17. [44] . Wikidata. wikidata.org. → on this site
  18. [45] . Wikidata. wikidata.org. → on this site
  19. [46] . Wikidata. wikidata.org. → on this site
  20. [47] . Wikidata. wikidata.org. → on this site
  21. [48] . Wikidata. wikidata.org. → on this site
  22. [49] . Wikidata. wikidata.org. → on this site
  23. [50] . Wikidata. wikidata.org. → on this site
  24. [56] . Wikidata. wikidata.org. → on this site
  25. [57] . Wikidata. wikidata.org. → on this site
  26. [58] . Wikidata. wikidata.org. → on this site
  27. [59] . Wikidata. wikidata.org. → on this site
  28. [60] . Wikidata. wikidata.org. → on this site
  29. [52] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [9] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [53] . Wikidata sitelinks. wikidata.org.
  3. [54] . 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). Richard Duffin. Retrieved April 11, 2026, from https://4ort.xyz/entity/richard-duffin
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BibTeX @misc{4ortxyz_richard-duffin_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Richard Duffin}}, year = {2026}, url = {https://4ort.xyz/entity/richard-duffin}, note = {Accessed: 2026-04-11}}
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