Lloyd R. Welch

American information theorist (1927–2023)
Person human Q13989101
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Lloyd R. Welch

Summary

Lloyd R. Welch is a human[1]. He was born in Detroit[2]. He was born on +1927-09-28T00:00:00Z[3]. He died on +2023-12-28T00:00:00Z[4]. He worked as a mathematician[5], computer scientist[6], and university teacher[7]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (12 views/month, #7,289 of 1,000,298).[8]

Key Facts

  • Born in Detroit[2], Lloyd R. Welch…
  • Lloyd R. Welch was born on +1927-09-28T00:00:00Z[3].
  • Lloyd R. Welch died on +2023-12-28T00:00:00Z[4].
  • Lloyd R. Welch held citizenship in United States[9].
  • Lloyd R. Welch worked as a mathematician[5].
  • Lloyd R. Welch worked as a computer scientist[6].
  • Lloyd R. Welch's professions included university teacher[7].
  • Among Lloyd R. Welch's employers was University of Southern California[10].
  • Lloyd R. Welch's education included a stint at California Institute of Technology[11].
  • Lloyd R. Welch's doctoral advisor was Frederic Bohnenblust[12].
  • Lloyd R. Welch received the Claude E. Shannon Award[13].
  • Lloyd R. Welch was a member of National Academy of Engineering[14].
  • Lloyd R. Welch is recorded as male[15].
  • Lloyd R. Welch's instance of is recorded as human[16].
  • Lloyd R. Welch supervised P. Vijay Kumar as a doctoral student[17].
  • Lloyd R. Welch supervised Stephen Bryant Wicker as a doctoral student[18].
  • Lloyd R. Welch supervised Hans Stephen Erik Schloss as a doctoral student[19].
  • Lloyd R. Welch supervised Saeed Rajput as a doctoral student[20].
  • Lloyd R. Welch supervised Yongwen Yang as a doctoral student[21].
  • Lloyd R. Welch supervised Terry Pernell Lewis as a doctoral student[22].
  • Lloyd R. Welch supervised John Douglas Olsen as a doctoral student[23].
  • Lloyd R. Welch's ISNI is recorded as 0000000112895989[24].
  • Lloyd R. Welch's VIAF cluster ID is recorded as 164685394[25].
  • Lloyd R. Welch's Mathematics Genealogy Project ID is recorded as 10358[26].
  • Lloyd R. Welch's Freebase ID is recorded as /m/03cw54g[27].

Body

Origins and Family

Lloyd R. Welch's place of birth was Detroit[2]. He was born on +1927-09-28T00:00:00Z[3].

Education

Lloyd R. Welch's education included a stint at California Institute of Technology[11]. His doctoral advisor was Frederic Bohnenblust[12].

Career and Affiliations

Recorded occupations include mathematician[5], computer scientist[6], and university teacher[7]. Among Lloyd R. Welch's employers was University of Southern California[10]. Doctoral students include P. Vijay Kumar[17]; Stephen Bryant Wicker[18], a computer scientist[28], b. 1960[29], specialised in electrical engineering[30]; Hans Stephen Erik Schloss[19]; Saeed Rajput[20]; Yongwen Yang[21]; and Terry Pernell Lewis[22].

Recognition

Lloyd R. Welch received the Claude E. Shannon Award[13].

Death and Burial

Lloyd R. Welch died on +2023-12-28T00:00:00Z[4].

Works and Contributions

Things named for Lloyd R. Welch include Baum–Welch algorithm[31], an algorithm[32] and Berlekamp–Welch algorithm[33], an algorithm[34].

Why It Matters

Lloyd R. Welch ranks in the top 0.73% of human entities by monthly Wikipedia readership (12 views/month, #7,289 of 1,000,298).[8] He is known by 11 alternative names across languages and contexts.[35]

Entities named for him include Baum–Welch algorithm[31], an algorithm[32] and Berlekamp–Welch algorithm[33], an algorithm[34].

His notable doctoral advisees include Stephen Bryant Wicker[36], a computer scientist[37], b. 1960[38], specialised in electrical engineering[39].

FAQs

Where was Lloyd R. Welch born?

Born in Detroit[2], Lloyd R. Welch…

What did Lloyd R. Welch do for work?

Lloyd R. Welch worked as mathematician[5], computer scientist[6], and university teacher[7].

Where did Lloyd R. Welch go to school?

Lloyd R. Welch was educated at California Institute of Technology[11].

What awards did Lloyd R. Welch receive?

Honors received include Claude E. Shannon Award[13].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [15] . wikidata.org.
  3. [9] . wikidata.org.
  4. [16] . wikidata.org.
  5. [11] . Mathematics Genealogy Project. wikidata.org.
  6. [5] . wikidata.org.
  7. [6] . wikidata.org.
  8. [7] . wikidata.org.
  9. [10] . wikidata.org.
  10. [13] . itsoc.org. itsoc.org. Provenance: wikidata.org.
  11. [12] . wikidata.org.
  12. [17] . Mathematics Genealogy Project. wikidata.org.
  13. [18] . Mathematics Genealogy Project. wikidata.org.
  14. [19] . Mathematics Genealogy Project. wikidata.org.
  15. [20] . Mathematics Genealogy Project. wikidata.org.
  16. [21] . Mathematics Genealogy Project. wikidata.org.
  17. [22] . Mathematics Genealogy Project. wikidata.org.
  18. [23] . Mathematics Genealogy Project. wikidata.org.
  19. [24] . wikidata.org.
  20. [25] . wikidata.org.
  21. [14] . nae.edu. nae.edu. Provenance: wikidata.org.
  22. [26] . wikidata.org.
  23. [3] . wikidata.org.
  24. [4] . outlookvalleysun.outlooknewspapers.com. Retrieved . outlookvalleysun.outlooknewspapers.com. Provenance: wikidata.org.
  25. [27] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [36] . wikidata.org. → on this site
  2. [31] . wikidata.org. → on this site
  3. [33] . 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. [37] . Wikidata. wikidata.org. → on this site
  5. [38] . Wikidata. wikidata.org. → on this site
  6. [39] . Wikidata. wikidata.org. → on this site
  7. [32] . Wikidata. wikidata.org. → on this site
  8. [34] . 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. [35] . Wikidata aliases. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Lloyd R. Welch. Retrieved March 11, 2026, from https://4ort.xyz/entity/lloyd-r-welch
MLA “Lloyd R. Welch.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Mar. 2026, https://4ort.xyz/entity/lloyd-r-welch.
BibTeX @misc{4ortxyz_lloyd-r-welch_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Lloyd R. Welch}}, year = {2026}, url = {https://4ort.xyz/entity/lloyd-r-welch}, note = {Accessed: 2026-03-11}}
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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. 4w ago · MariuszRokin · 2026-04-30 view diff on Wikidata ↗
    Educated at California Institute of Technology
    Member of
    Maintained by wikiproject
    Zbmath author id welch.lloyd-r
    + 56 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P3368]]: 2164633, [[:toollabs:quickstatements/#/batch/257026|batch #257026]]"
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