Roberto Ierusalimschy

Brazilian computer scientist (born 1960)
Person human Q1840472
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Roberto Ierusalimschy was born on May 21, 1960, in Rio de Janeiro . He received his education from the Pontifical Catholic University of Rio de Janeiro and the University of Waterloo . His work was influenced by Dennis M. Ritchie . His notable works include Lua, A parsing machine for PEGs, A text pattern-matching tool based on Parsing Expression Grammars, Revisiting coroutines, Lua—An Extensible Extension Language, and The evolution of Lua, among others .

Roberto Ierusalimschy

Summary

Roberto Ierusalimschy is a human[1]. He was born in Rio de Janeiro[2]. He was born on May 21, 1960[3]. He worked as a docent[4], computer scientist[5], visiting professor[6], and non-fiction writer[7]. He ranks in the top 0.72% of human entities by monthly Wikipedia readership (160 views/month, #7,249 of 1,000,298).[8]

Key Facts

  • Born in Rio de Janeiro[2], Roberto Ierusalimschy…
  • Roberto Ierusalimschy was born on May 21, 1960[3].
  • Roberto Ierusalimschy held citizenship in Brazil[9].
  • Brazilian Portuguese was Roberto Ierusalimschy's native language[10].
  • Roberto Ierusalimschy worked as a docent[4].
  • Roberto Ierusalimschy worked as a computer scientist[5].
  • Roberto Ierusalimschy worked as a visiting professor[6].
  • Roberto Ierusalimschy's professions included non-fiction writer[7].
  • Roberto Ierusalimschy's field of work was computer science[11].
  • Roberto Ierusalimschy was employed by Pontifical Catholic University of Rio de Janeiro[12].
  • Roberto Ierusalimschy's education included a stint at Pontifical Catholic University of Rio de Janeiro[13].
  • Roberto Ierusalimschy was educated at University of Waterloo[14].
  • Roberto Ierusalimschy's doctoral advisor was Carlos José Pereira de Lucena[15].
  • A notable work attributed to Roberto Ierusalimschy is A parsing machine for PEGs[16].
  • A notable work attributed to Roberto Ierusalimschy is Lua[17].
  • A notable work attributed to Roberto Ierusalimschy is A text pattern-matching tool based on Parsing Expression Grammars[18].
  • A notable work attributed to Roberto Ierusalimschy is Revisiting coroutines[19].
  • A notable work attributed to Roberto Ierusalimschy is Lua—An Extensible Extension Language[20].
  • A notable work attributed to Roberto Ierusalimschy is The evolution of Lua[21].
  • Roberto Ierusalimschy was influenced by Dennis M. Ritchie[22].
  • Roberto Ierusalimschy is recorded as male[23].
  • Roberto Ierusalimschy's instance of is recorded as human[24].
  • Roberto Ierusalimschy's Commons category is recorded as Roberto Ierusalimschy[25].
  • Roberto Ierusalimschy earned the academic degree of Doctor of Philosophy[26].
  • Roberto Ierusalimschy's residence is recorded as Rio de Janeiro[27].

Body

Origins and Family

Roberto Ierusalimschy's place of birth was Rio de Janeiro[2]. He was born on May 21, 1960[3]. Brazilian Portuguese was his native language[10].

Education

Educated at Pontifical Catholic University of Rio de Janeiro[13], a university[28], in Brazil[29], founded in 1940[30] and University of Waterloo[14], a public research university[31], in Canada[32], founded in 1956[33], headquartered in Waterloo[34]. Roberto Ierusalimschy's doctoral advisor was Carlos José Pereira de Lucena[15]. He earned the academic degree of Doctor of Philosophy[26].

Career and Affiliations

Recorded occupations include docent[4], computer scientist[5], visiting professor[6], and non-fiction writer[7]. Roberto Ierusalimschy's field of work was computer science[11]. Among his employers was Pontifical Catholic University of Rio de Janeiro[12].

Works and Contributions

Notable works include A parsing machine for PEGs[16], an academic conference paper[35]; Lua[17], a functional programming language[36], founded in 1993[37]; A text pattern-matching tool based on Parsing Expression Grammars[18], an academic journal article[38]; Revisiting coroutines[19], an academic journal article[39]; Lua—An Extensible Extension Language[20], an academic journal article[40]; and The evolution of Lua[21], an academic conference paper[41].

Why It Matters

Roberto Ierusalimschy ranks in the top 0.72% of human entities by monthly Wikipedia readership (160 views/month, #7,249 of 1,000,298).[8] He has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[42]

FAQs

Where was Roberto Ierusalimschy born?

Born in Rio de Janeiro[2], Roberto Ierusalimschy…

What did Roberto Ierusalimschy do for work?

Roberto Ierusalimschy worked as docent[4], computer scientist[5], visiting professor[6], and non-fiction writer[7].

Where did Roberto Ierusalimschy go to school?

Roberto Ierusalimschy was educated at Pontifical Catholic University of Rio de Janeiro[13] and University of Waterloo[14].

References

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

Direct Wikidata claims

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

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. [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

Class ancestry

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

Aggregate / graph-position facts

  1. [8] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [42] . Wikidata sitelinks. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Roberto Ierusalimschy. Retrieved March 9, 2026, from https://4ort.xyz/entity/roberto-ierusalimschy
MLA “Roberto Ierusalimschy.” 4ort.xyz Knowledge Graph, 4ort.xyz, 9 Mar. 2026, https://4ort.xyz/entity/roberto-ierusalimschy.
BibTeX @misc{4ortxyz_roberto-ierusalimschy_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Roberto Ierusalimschy}}, year = {2026}, url = {https://4ort.xyz/entity/roberto-ierusalimschy}, note = {Accessed: 2026-03-09}}
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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. 6d ago · Epìdosis · 2026-05-19 view diff on Wikidata ↗
    Place of birth Rio de Janeiro
    Gnd id
    National library of israel j9u id 987007461068605171
    Educated at Pontifical Catholic University of Rio de Janeiro, University of Waterloo
    + 106 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/32074|batch #32074]]: import P21 and P106 from GND (21)"
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