Abraham Wald

American mathematician, statistician, and scientist (1902–1950)
Person human Q240772
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Abraham Wald

Summary

Abraham Wald is a human[1]. Born in Cluj-Napoca[2], he… he was born on October 31, 1902[3]. He passed away in Nilgiri Mountains[4]. He died on December 13, 1950[5]. He worked as a mathematician[6], statistician[7], university teacher[8], economist[9], and research scientist[10]. He ranks in the top 0.71% of human entities by monthly Wikipedia readership (618 views/month, #7,106 of 1,000,298).[11]

Key Facts

  • Abraham Wald was born in Cluj-Napoca[2].
  • Abraham Wald died in Nilgiri Mountains[4].
  • Abraham Wald was born on October 31, 1902[3].
  • Abraham Wald died on December 13, 1950[5].
  • Abraham Wald died on December 31, 1950[12].
  • A child of Abraham Wald was Robert M. Wald[13].
  • Abraham Wald held citizenship in Kingdom of Hungary[14].
  • Abraham Wald held citizenship in Kingdom of Romania[15].
  • Abraham Wald held citizenship in United States[16].
  • Abraham Wald is identified as part of the Ashkenazi Jews ethnic group[17].
  • Abraham Wald worked as a mathematician[6].
  • Abraham Wald worked as a statistician[7].
  • Abraham Wald worked as a university teacher[8].
  • Abraham Wald's professions included economist[9].
  • Abraham Wald worked as a research scientist[10].
  • Abraham Wald's field of work was functional analysis[18].
  • Abraham Wald's field of work was statistics[19].
  • Abraham Wald's field of work was mathematics[20].
  • Among Abraham Wald's employers was Columbia University[21].
  • Abraham Wald was employed by Carnegie Institution for Science[22].
  • Abraham Wald's education included a stint at University of Vienna[23].
  • Abraham Wald's education included a stint at "King Ferdinand I" University[24].
  • Abraham Wald's doctoral advisor was Karl Menger[25].
  • A notable student of Abraham Wald was Jacob Wolfowitz[26].
  • A notable work attributed to Abraham Wald is Wald's equation[27].

Body

Origins and Family

Born in Cluj-Napoca[2], Abraham Wald… he was born on October 31, 1902[3]. He is identified as part of the Ashkenazi Jews ethnic group[17].

Education

Educated at University of Vienna[23], a university[28], in Austria[29], founded in 1365[30], headquartered in Vienna[31] and "King Ferdinand I" University[24], an academic institution[32], in Romania[33], founded in 1919[34]. Abraham Wald's doctoral advisor was Karl Menger[25]. He studied under Harold Hotelling[35].

Career and Affiliations

Recorded occupations include mathematician[6], statistician[7], university teacher[8], economist[9], and research scientist[10]. Fields of work include functional analysis[18], a branch of mathematics[36]; statistics[19], an academic major[37]; and mathematics[20], an academic discipline[38]. Employers include Columbia University[21], a private university[39], in United States[40], founded in 1754[41], headquartered in Manhattan[42] and Carnegie Institution for Science[22], a nonprofit organization[43], in United States[44], founded in 1902[45], headquartered in Washington, D.C.[46]. A notable student of Abraham Wald was Jacob Wolfowitz[26]. Doctoral students include Charles Stein[47], a mathematician[48], 1920–2016[49], of United States[50], awarded the Guggenheim Fellowship[51], specialised in statistics[52]; Herman Chernoff[53], a mathematician[54], b. 1923[55], of United States[56], awarded the Fellow of the American Statistical Association[57], specialised in applied mathematics[58]; Milton Sobel[59], a statistician[60], 1919–2002[61], awarded the Fellow of the American Statistical Association[62]; Meyer Abraham Girshick[63], a statistician[64], 1908–1955[65], of Russian Empire[66], awarded the Fellow of the Institute of Mathematical Statistics[67]; Chung Tsi Hsu[68]; and Ralph Jay Brookner[69], a mathematician[70], 1918–2001[71].

Works and Contributions

Notable works include Wald's equation[27], Wald test[72], Wald–Wolfowitz runs test[73], Wald's martingale[74], Continuous Mapping Theorem[75], and Wald's maximin model[76]. Things named for Abraham Wald include Wald test[77], a statistical test[78]; Wald's equation[79]; and Wald–Wolfowitz runs test[80].

Recognition

Awards received include Fellow of the Econometric Society[81], a fellowship award[82]; Fellow of the American Statistical Association[83], a statistics award[84]; and Fellow of the Institute of Mathematical Statistics[85].

Personal Life

A child of Abraham Wald was Robert M. Wald[13]. His religion is recorded as Orthodox Judaism[86].

Death and Burial

Recorded date of death include December 13, 1950[5] and December 31, 1950[12]. Abraham Wald died in Nilgiri Mountains[4]. Recorded cause of death include aviation accident[87] and Air India VT-CFK[88].

Why It Matters

Abraham Wald ranks in the top 0.71% of human entities by monthly Wikipedia readership (618 views/month, #7,106 of 1,000,298).[11] He has Wikipedia articles in 22 language editions, a strong signal of global cultural recognition.[89] He is known by 7 alternative names across languages and contexts.[90]

He has been cited as an influence by Erich Leo Lehmann[91], a statistician[92], 1917–2009[93], of United States[94], awarded the Guggenheim Fellowship[95], specialised in statistics[96].

Works attributed to him include survivorship bias[97], a type of bias[98]. Entities named for him include Wald test[77], a statistical test[78]; Wald's equation[79]; and Wald–Wolfowitz runs test[80].

His notable doctoral advisees include Herman Chernoff[99], a mathematician[100], b. 1923[101], of United States[102], awarded the Fellow of the American Statistical Association[103], specialised in applied mathematics[104] and Charles Stein[105], a mathematician[106], 1920–2016[107], of United States[108], awarded the Guggenheim Fellowship[109], specialised in statistics[110].

FAQs

Where was Abraham Wald born?

Abraham Wald was born in Cluj-Napoca[2].

Where did Abraham Wald die?

Abraham Wald passed away in Nilgiri Mountains[4].

What did Abraham Wald do for work?

Abraham Wald worked as mathematician[6], statistician[7], university teacher[8], economist[9], and research scientist[10].

Where did Abraham Wald go to school?

Abraham Wald was educated at University of Vienna[23] and "King Ferdinand I" University[24].

What awards did Abraham Wald receive?

Honors received include Fellow of the Econometric Society[81], Fellow of the American Statistical Association[83], and Fellow of the Institute of Mathematical Statistics[85].

Who did Abraham Wald influence?

Abraham Wald has been cited as an influence by Erich Leo Lehmann[91].

References

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

Direct Wikidata claims

  1. [2] . MacTutor History of Mathematics archive. wikidata.org.
  2. [4] . teaandtarry.blogspot.com. teaandtarry.blogspot.com. Provenance: wikidata.org.
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  19. [86] . wikidata.org.
  20. [81] . econometricsociety.org. Retrieved . econometricsociety.org. Provenance: wikidata.org.
  21. [83] . wikidata.org.
  22. [85] . Scientific Legacy Database. Retrieved . wikidata.org.
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  24. [25] . wikidata.org.
  25. [47] . Mathematics Genealogy Project. wikidata.org.
  26. [53] . Mathematics Genealogy Project. wikidata.org.
  27. [59] . Mathematics Genealogy Project. wikidata.org.
  28. [63] . Mathematics Genealogy Project. wikidata.org.
  29. [68] . Mathematics Genealogy Project. wikidata.org.
  30. [69] . Abraham Wald, 1902-1950. wikidata.org.
  31. [87] . MacTutor History of Mathematics archive. wikidata.org.
  32. [88] . wikidata.org.
  33. [3] . Integrated Authority File. Retrieved . wikidata.org.
  34. [5] . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  35. [12] . Integrated Authority File. Retrieved . wikidata.org.
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  43. [35] . jstor.org. jstor.org. Provenance: wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [91] . wikidata.org. → on this site
  2. [97] . wikidata.org. → on this site
  3. [99] . wikidata.org. → on this site
  4. [105] . wikidata.org. → on this site
  5. [77] . wikidata.org. → on this site
  6. [79] . wikidata.org. → on this site
  7. [80] . 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
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  7. [34] . Wikidata. wikidata.org. → on this site
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Class ancestry

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

Aggregate / graph-position facts

  1. [11] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [89] . Wikidata sitelinks. wikidata.org.
  3. [90] . Wikidata aliases. wikidata.org.

📑 Cite this page

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). Abraham Wald. Retrieved April 10, 2026, from https://4ort.xyz/entity/abraham-wald
MLA “Abraham Wald.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/abraham-wald.
BibTeX @misc{4ortxyz_abraham-wald_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Abraham Wald}}, year = {2026}, url = {https://4ort.xyz/entity/abraham-wald}, note = {Accessed: 2026-04-10}}
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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. 2d ago · Epìdosis · 2026-05-19 view diff on Wikidata ↗
    Erdős number {'amount': '+2'}
    Place of birth Cluj-Napoca
    Educated at University of Vienna, "King Ferdinand I" University
    Maintained by wikiproject WikiProject Mathematics
    + 35 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/32081|batch #32081]]: import P21 and P106 from GND (23)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.