William James Sidis

American child prodigy (1898-1944)
Person human Q313603
William James Sidis
Unknown authorUnknown author · Public Domain · Wikimedia
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William James Sidis

Summary

William James Sidis is a human[1]. He was born in Manhattan[2]. He was born on +1898-04-01T00:00:00Z[3]. He passed away in Boston[4]. He died on +1944-07-17T00:00:00Z[5]. He worked as a mathematician[6], anthropologist[7], historian[8], linguist[9], and inventor[10]. He ranks in the top 0.31% of human entities by monthly Wikipedia readership (5,356 views/month, #3,073 of 1,000,298).[11]

Key Facts

  • William James Sidis was born in Manhattan[2].
  • William James Sidis died in Boston[4].
  • William James Sidis was born on +1898-04-01T00:00:00Z[3].
  • William James Sidis died on +1944-07-17T00:00:00Z[5].
  • William James Sidis is buried at Harmony Grove Cemetery[12].
  • William James Sidis's father was Boris Sidis[13].
  • William James Sidis's mother was Sarah Mandelbaum[14].
  • William James Sidis held citizenship in United States[15].
  • William James Sidis worked as a mathematician[6].
  • William James Sidis's professions included anthropologist[7].
  • William James Sidis's professions included historian[8].
  • William James Sidis's professions included linguist[9].
  • William James Sidis worked as an inventor[10].
  • William James Sidis worked as a writer[16].
  • William James Sidis's field of work was mathematics[17].
  • William James Sidis's field of work was constructed language[18].
  • Among William James Sidis's employers was Rice University[19].
  • William James Sidis's education included a stint at Harvard Law School[20].
  • William James Sidis was educated at Harvard University[21].
  • A notable work attributed to William James Sidis is The Tribes and the States[22].
  • A notable work attributed to William James Sidis is The Animate and the Inanimate[23].
  • William James Sidis's religion is recorded as atheism[24].
  • William James Sidis is recorded as male[25].
  • William James Sidis's instance of is recorded as human[26].
  • William James Sidis's Commons category is recorded as William James Sidis[27].

Body

Origins and Family

Born in Manhattan[2], William James Sidis… he was born on +1898-04-01T00:00:00Z[3]. His father was Boris Sidis[13]. His mother was Sarah Mandelbaum[14].

Education

Educated at Harvard Law School[20], a graduate school[28], in United States[29], founded in 1817[30] and Harvard University[21], a private university[31], in United States[32], founded in 1636[33], headquartered in Cambridge[34].

Career and Affiliations

Recorded occupations include mathematician[6], anthropologist[7], historian[8], linguist[9], inventor[10], and writer[16]. Fields of work include mathematics[17], an academic discipline[35] and constructed language[18], a type of language[36]. Among William James Sidis's employers was Rice University[19].

Works and Contributions

Notable works include The Tribes and the States[22], a literary work[37], written by William James Sidis[38] and The Animate and the Inanimate[23], a written work[39], written by him[40].

Personal Life

William James Sidis's religion is recorded as atheism[24].

Death and Burial

William James Sidis died on +1944-07-17T00:00:00Z[5]. He died in Boston[4]. The cause of death was cerebral hemorrhage[41]. Burial took place at Harmony Grove Cemetery[12].

Why It Matters

William James Sidis ranks in the top 0.31% of human entities by monthly Wikipedia readership (5,356 views/month, #3,073 of 1,000,298).[11] He has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[42] He is known by 15 alternative names across languages and contexts.[43]

FAQs

Where was William James Sidis born?

Born in Manhattan[2], William James Sidis…

Where did William James Sidis die?

William James Sidis passed away in Boston[4].

Who were William James Sidis's parents?

William James Sidis's father was Boris Sidis[13]. William James Sidis's mother was Sarah Mandelbaum[14].

What did William James Sidis do for work?

William James Sidis worked as mathematician[6], anthropologist[7], historian[8], linguist[9], and inventor[10].

Where did William James Sidis go to school?

William James Sidis was educated at Harvard Law School[20] and Harvard University[21].

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. [25] . wikidata.org.
  4. [13] . wikidata.org.
  5. [14] . wikidata.org.
  6. [15] . wikidata.org.
  7. [26] . wikidata.org.
  8. [20] . wikidata.org.
  9. [21] . nytimes.com. nytimes.com. Provenance: wikidata.org.
  10. [17] . wikidata.org.
  11. [18] . wikidata.org.
  12. [6] . wikidata.org.
  13. [7] . wikidata.org.
  14. [8] . wikidata.org.
  15. [9] . wikidata.org.
  16. [10] . wikidata.org.
  17. [16] . wikidata.org.
  18. [19] . wikidata.org.
  19. [12] . Find a Grave. wikidata.org.
  20. [24] . Swarthmore College. swarthmore.edu. Provenance: wikidata.org.
  21. [27] . wikidata.org.
  22. [41] . wikidata.org.
  23. [3] . SNAC. Retrieved . wikidata.org.
  24. [5] . SNAC. Retrieved . wikidata.org.
  25. [22] . wikidata.org.
  26. [23] . 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

Class ancestry

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

Aggregate / graph-position facts

  1. [11] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [42] . Wikidata sitelinks. wikidata.org.
  3. [43] . 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). William James Sidis. Retrieved April 10, 2026, from https://4ort.xyz/entity/william-james-sidis
MLA “William James Sidis.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/william-james-sidis.
BibTeX @misc{4ortxyz_william-james-sidis_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{William James Sidis}}, year = {2026}, url = {https://4ort.xyz/entity/william-james-sidis}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): William James Sidis — https://4ort.xyz/entity/william-james-sidis (retrieved 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. 13d ago · Magnus Manske · 2026-05-07 view diff on Wikidata ↗
    Date of birth +1898-04-01T00:00:00Z
    Cantic id 981061462984106706
    Local thumb /static/img/william-james-sidis.jpg
    "/* wbcreateclaim-create:1| */ [[Property:P9984]]: 981061462984106706, [[:toollabs:quickstatements/#/batch/257405|batch #257405]]"
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