Dennis M. Ritchie

American computer scientist, co-inventor of the Unix operating system and the C programming language
Person human Q45575
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Dennis M. Ritchie

Summary

Dennis M. Ritchie is a human[1]. His place of birth was Bronxville[2]. He was born on September 9, 1941[3]. He passed away in Berkeley Heights[4]. He died on October 12, 2011[5]. He worked as a computer scientist[6], programmer[7], writer[8], and mathematician[9]. He ranks in the top 0.65% of human entities by monthly Wikipedia readership (2,275 views/month, #6,466 of 1,000,298).[10]

Key Facts

  • Dennis M. Ritchie was born in Bronxville[2].
  • Dennis M. Ritchie died in Berkeley Heights[4].
  • Dennis M. Ritchie was born on September 9, 1941[3].
  • Dennis M. Ritchie died on October 12, 2011[5].
  • Dennis M. Ritchie held citizenship in United States[11].
  • English was Dennis M. Ritchie's native language[12].
  • Dennis M. Ritchie's professions included computer scientist[6].
  • Dennis M. Ritchie worked as a programmer[7].
  • Dennis M. Ritchie's professions included writer[8].
  • Dennis M. Ritchie's professions included mathematician[9].
  • Dennis M. Ritchie's field of work was computer science[13].
  • Among Dennis M. Ritchie's employers was Bell Labs[14].
  • Dennis M. Ritchie was educated at Harvard University[15].
  • Dennis M. Ritchie's education included a stint at Harvard University[16].
  • Dennis M. Ritchie was educated at Summit High School[17].
  • Dennis M. Ritchie's doctoral advisor was Patrick C. Fischer[18].
  • A notable work attributed to Dennis M. Ritchie is Q15777[19].
  • A notable work attributed to Dennis M. Ritchie is Q11368[20].
  • A notable work attributed to Dennis M. Ritchie is The C Programming Language[21].
  • A notable work attributed to Dennis M. Ritchie is ALTRAN[22].
  • A notable work attributed to Dennis M. Ritchie is B[23].
  • A notable work attributed to Dennis M. Ritchie is BCPL[24].
  • Dennis M. Ritchie received the Turing Award[25].
  • Dennis M. Ritchie received the National Medal of Technology and Innovation[26].
  • Dennis M. Ritchie received the Harold Pender Award[27].

Body

Origins and Family

Dennis M. Ritchie was born in Bronxville[2]. He was born on September 9, 1941[3]. English was his native language[12].

Education

Educated at Harvard University[15], a private university[28], in United States[29], founded in 1636[30], headquartered in Cambridge[31] and Summit High School[17], a high school[32], in United States[33], founded in 1888[34]. Dennis M. Ritchie's doctoral advisor was Patrick C. Fischer[18].

Career and Affiliations

Recorded occupations include computer scientist[6], programmer[7], writer[8], and mathematician[9]. Dennis M. Ritchie's field of work was computer science[13]. Among his employers was Bell Labs[14].

Works and Contributions

Notable works include Q15777[19], an imperative programming language[35], founded in 1972[36]; Q11368[20]; The C Programming Language[21]; ALTRAN[22]; B[23]; and BCPL[24].

Recognition

Awards received include Turing Award[25], a science award[37], in United States[38], founded in 1966[39]; National Medal of Technology and Innovation[26], a science award[40], in United States[41], founded in 1980[42]; Harold Pender Award[27], an award[43], in United States[44], founded in 1972[45]; IEEE Emanuel R. Piore Award[46], a technical field award[47], founded in 1976[48]; Computer History Museum Fellow[49], a fellowship award[50]; and Computer Pioneer Award[51], an award[52], in United States[53], founded in 1981[54].

Death and Burial

Dennis M. Ritchie died on October 12, 2011[5]. He passed away in Berkeley Heights[4]. The cause of death was testicular cancer[55].

Why It Matters

Dennis M. Ritchie ranks in the top 0.65% of human entities by monthly Wikipedia readership (2,275 views/month, #6,466 of 1,000,298).[10] He has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[56] He is known by 75 alternative names across languages and contexts.[57]

He has been cited as an influence by Roberto Ierusalimschy[58], a docent[59], b. 1960[60], of Brazil[61], specialised in computer science[62].

He is credited with the discovery of shebang[63], a sequence[64], founded in 1980[65]. Works attributed to him include The C Programming Language[66], a literary work[67], written by Brian Kernighan[68].

FAQs

Where was Dennis M. Ritchie born?

Born in Bronxville[2], Dennis M. Ritchie…

Where did Dennis M. Ritchie die?

Dennis M. Ritchie died in Berkeley Heights[4].

What did Dennis M. Ritchie do for work?

Dennis M. Ritchie worked as computer scientist[6], programmer[7], writer[8], and mathematician[9].

Where did Dennis M. Ritchie go to school?

Dennis M. Ritchie was educated at Harvard University[15], Harvard University[16], and Summit High School[17].

What awards did Dennis M. Ritchie receive?

Honors received include Turing Award[25], National Medal of Technology and Innovation[26], Harold Pender Award[27], and IEEE Emanuel R. Piore Award[46].

Who did Dennis M. Ritchie influence?

Dennis M. Ritchie has been cited as an influence by Roberto Ierusalimschy[58].

What did Dennis M. Ritchie discover?

Dennis M. Ritchie is credited as discoverer of shebang[63].

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. [11] . wikidata.org.
  4. [15] . wikidata.org.
  5. [16] . wikidata.org.
  6. [17] . wikidata.org.
  7. [13] . wikidata.org.
  8. [12] . wikidata.org.
  9. [6] . wikidata.org.
  10. [7] . wikidata.org.
  11. [8] . wikidata.org.
  12. [9] . Retrieved . wikidata.org.
  13. [14] . wikidata.org.
  14. [25] . wikidata.org.
  15. [26] . nationalmedals.org. nationalmedals.org. Provenance: wikidata.org.
  16. [27] . events.seas.upenn.edu. events.seas.upenn.edu. Provenance: wikidata.org.
  17. [46] . ieee.org. ieee.org. Provenance: wikidata.org.
  18. [49] . wikidata.org.
  19. [51] . wikidata.org.
  20. [18] . Mathematics Genealogy Project. wikidata.org.
  21. [55] . wikidata.org.
  22. [3] . Integrated Authority File. Retrieved . wikidata.org.
  23. [5] . Integrated Authority File. Retrieved . nytimes.com. Provenance: wikidata.org.
  24. [19] . wikidata.org.
  25. [20] . wikidata.org.
  26. [21] . wikidata.org.
  27. [22] . wikidata.org.
  28. [23] . wikidata.org.
  29. [24] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [58] . wikidata.org. → on this site
  2. [63] . wikidata.org. → on this site
  3. [66] . 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. [37] . Wikidata. wikidata.org. → on this site
  9. [38] . Wikidata. wikidata.org. → on this site
  10. [39] . Wikidata. wikidata.org. → on this site
  11. [40] . Wikidata. wikidata.org. → on this site
  12. [41] . Wikidata. wikidata.org. → on this site
  13. [42] . Wikidata. wikidata.org. → on this site
  14. [43] . Wikidata. wikidata.org. → on this site
  15. [44] . Wikidata. wikidata.org. → on this site
  16. [45] . Wikidata. wikidata.org. → on this site
  17. [47] . Wikidata. wikidata.org. → on this site
  18. [48] . Wikidata. wikidata.org. → on this site
  19. [50] . Wikidata. wikidata.org. → on this site
  20. [52] . Wikidata. wikidata.org. → on this site
  21. [53] . Wikidata. wikidata.org. → on this site
  22. [54] . Wikidata. wikidata.org. → on this site
  23. [35] . Wikidata. wikidata.org. → on this site
  24. [36] . Wikidata. wikidata.org. → on this site
  25. [59] . Wikidata. wikidata.org. → on this site
  26. [60] . Wikidata. wikidata.org. → on this site
  27. [61] . Wikidata. wikidata.org. → on this site
  28. [62] . Wikidata. wikidata.org. → on this site
  29. [64] . Wikidata. wikidata.org. → on this site
  30. [65] . Wikidata. wikidata.org. → on this site
  31. [67] . Wikidata. wikidata.org. → on this site
  32. [68] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [10] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [56] . Wikidata sitelinks. wikidata.org.
  3. [57] . 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). Dennis M. Ritchie. Retrieved March 8, 2026, from https://4ort.xyz/entity/dennis-m-ritchie
MLA “Dennis M. Ritchie.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Mar. 2026, https://4ort.xyz/entity/dennis-m-ritchie.
BibTeX @misc{4ortxyz_dennis-m-ritchie_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Dennis M. Ritchie}}, year = {2026}, url = {https://4ort.xyz/entity/dennis-m-ritchie}, note = {Accessed: 2026-03-08}}
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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. 20d ago · MarisDreshmanisBot bot · 2026-05-12 view diff on Wikidata ↗
    Commons category Dennis Ritchie
    Open library id OL3171923A
    Notable names database id
    Libraries australia id
    + 206 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||vi, be, oc, mk, ckb, ml, simple, sq, cy, ast, eu, kk, la, ky, az, ms, zh-min-nan, gd, eo, gl, be-x-old, lmo, no */ Add 23 multilingual descriptions extracted "
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