James Waddell Alexander II

American mathematician (1888–1971)
Person human Q723607
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James Waddell Alexander II

Summary

James Waddell Alexander II is a human[1]. Born in Sea Bright[2], he… he was born on +1888-09-19T00:00:00Z[3]. He passed away in Princeton[4]. He died on +1971-09-23T00:00:00Z[5]. He worked as a mathematician[6], topologist[7], and university teacher[8]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (24 views/month, #7,277 of 1,000,298).[9]

Key Facts

  • Born in Sea Bright[2], James Waddell Alexander II…
  • James Waddell Alexander II passed away in Princeton[4].
  • James Waddell Alexander II was born on +1888-09-19T00:00:00Z[3].
  • James Waddell Alexander II died on +1971-09-23T00:00:00Z[5].
  • James Waddell Alexander II's father was John White Alexander[10].
  • James Waddell Alexander II's mother was Elizabeth Alexander Alexander[11].
  • James Waddell Alexander II held citizenship in United States[12].
  • James Waddell Alexander II's professions included mathematician[6].
  • James Waddell Alexander II's professions included topologist[7].
  • James Waddell Alexander II worked as a university teacher[8].
  • James Waddell Alexander II's field of work was topology[13].
  • James Waddell Alexander II's field of work was mathematics[14].
  • James Waddell Alexander II was employed by Princeton University[15].
  • James Waddell Alexander II was employed by Institute for Advanced Study[16].
  • James Waddell Alexander II's education included a stint at Princeton University[17].
  • James Waddell Alexander II's education included a stint at University of Paris[18].
  • James Waddell Alexander II's education included a stint at University of Bologna[19].
  • James Waddell Alexander II's doctoral advisor was Oswald Veblen[20].
  • A notable work attributed to James Waddell Alexander II is Alexander's theorem[21].
  • A notable work attributed to James Waddell Alexander II is Alexander polynomial[22].
  • A notable work attributed to James Waddell Alexander II is Conway–Alexander polynomial[23].
  • A notable work attributed to James Waddell Alexander II is Alexander horned sphere[24].
  • A notable work attributed to James Waddell Alexander II is Alexander–Spanier cohomology[25].
  • A notable work attributed to James Waddell Alexander II is Alexander duality[26].
  • James Waddell Alexander II received the Bôcher Memorial Prize[27].

Body

Origins and Family

James Waddell Alexander II's place of birth was Sea Bright[2]. He was born on +1888-09-19T00:00:00Z[3]. His father was John White Alexander[10]. His mother was Elizabeth Alexander Alexander[11].

Education

Educated at Princeton University[17], a private university[28], in United States[29], founded in 1746[30], headquartered in Princeton[31]; University of Paris[18], a former entity[32], in France[33], founded in 1150[34], headquartered in Paris[35]; and University of Bologna[19], a public university[36], in Italy[37], founded in 1088[38], headquartered in Bologna[39]. James Waddell Alexander II's doctoral advisor was Oswald Veblen[20]. He earned the academic degree of Doctor of Philosophy[40].

Career and Affiliations

Recorded occupations include mathematician[6], topologist[7], and university teacher[8]. Fields of work include topology[13], a branch of mathematics[41] and mathematics[14], an academic discipline[42]. Employers include Princeton University[15], a private university[43], in United States[44], founded in 1746[45], headquartered in Princeton[46] and Institute for Advanced Study[16], a research institute[47], in United States[48], founded in 1930[49], headquartered in Princeton[50]. Doctoral students include Garland Briggs[51] and James Singer[52], a mathematician[53].

Works and Contributions

Notable works include Alexander's theorem[21], a theorem[54]; Alexander polynomial[22], a mathematical concept[55]; Conway–Alexander polynomial[23]; Alexander horned sphere[24], an injection[56]; Alexander–Spanier cohomology[25], an invariant[57]; and Alexander duality[26], a mathematical concept[58]. Things named for James Waddell Alexander II include Alexander horned sphere[59], an injection[60]; Alexander polynomial[61], a mathematical concept[62]; and Alexander duality[63], a mathematical concept[64].

Recognition

James Waddell Alexander II received the Bôcher Memorial Prize[27].

Death and Burial

James Waddell Alexander II died on +1971-09-23T00:00:00Z[5]. He died in Princeton[4].

Why It Matters

James Waddell Alexander II ranks in the top 0.73% of human entities by monthly Wikipedia readership (24 views/month, #7,277 of 1,000,298).[9] He has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[65] He is known by 16 alternative names across languages and contexts.[66]

He is credited with the discovery of Alexander horned sphere[67], an injection[68]; Alexander polynomial[69], a mathematical concept[70]; and Reidemeister move[71], a knot operation[72]. Entities named for him include Alexander horned sphere[59], an injection[60]; Alexander polynomial[61], a mathematical concept[62]; and Alexander duality[63], a mathematical concept[64].

FAQs

Where was James Waddell Alexander II born?

Born in Sea Bright[2], James Waddell Alexander II…

Where did James Waddell Alexander II die?

James Waddell Alexander II died in Princeton[4].

Who were James Waddell Alexander II's parents?

James Waddell Alexander II's father was John White Alexander[10]. James Waddell Alexander II's mother was Elizabeth Alexander Alexander[11].

What did James Waddell Alexander II do for work?

James Waddell Alexander II worked as mathematician[6], topologist[7], and university teacher[8].

Where did James Waddell Alexander II go to school?

James Waddell Alexander II was educated at Princeton University[17], University of Paris[18], and University of Bologna[19].

What awards did James Waddell Alexander II receive?

Honors received include Bôcher Memorial Prize[27].

What did James Waddell Alexander II discover?

James Waddell Alexander II is credited as discoverer of Alexander horned sphere[67], Alexander polynomial[69], and Reidemeister move[71].

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] . wikidata.org.
  3. [10] . wikidata.org.
  4. [11] . wikidata.org.
  5. [12] . wikidata.org.
  6. [17] . MacTutor History of Mathematics archive. wikidata.org.
  7. [18] . MacTutor History of Mathematics archive. wikidata.org.
  8. [19] . MacTutor History of Mathematics archive. wikidata.org.
  9. [13] . wikidata.org.
  10. [14] . wikidata.org.
  11. [6] . wikidata.org.
  12. [7] . wikidata.org.
  13. [8] . wikidata.org.
  14. [15] . MacTutor History of Mathematics archive. wikidata.org.
  15. [16] . MacTutor History of Mathematics archive. wikidata.org.
  16. [27] . ams.org. ams.org. Provenance: wikidata.org.
  17. [20] . wikidata.org.
  18. [51] . Mathematics Genealogy Project. wikidata.org.
  19. [52] . Mathematics Genealogy Project. wikidata.org.
  20. [40] . wikidata.org.
  21. [3] . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  22. [5] . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  23. [21] . wikidata.org.
  24. [22] . wikidata.org.
  25. [23] . wikidata.org.
  26. [24] . wikidata.org.
  27. [25] . wikidata.org.
  28. [26] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [67] . wikidata.org. → on this site
  2. [69] . wikidata.org. → on this site
  3. [71] . wikidata.org. → on this site
  4. [59] . wikidata.org. → on this site
  5. [61] . wikidata.org. → on this site
  6. [63] . 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. [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. [41] . Wikidata. wikidata.org. → on this site
  14. [42] . Wikidata. wikidata.org. → on this site
  15. [43] . Wikidata. wikidata.org. → on this site
  16. [44] . Wikidata. wikidata.org. → on this site
  17. [45] . Wikidata. wikidata.org. → on this site
  18. [46] . Wikidata. wikidata.org. → on this site
  19. [47] . Wikidata. wikidata.org. → on this site
  20. [48] . Wikidata. wikidata.org. → on this site
  21. [49] . Wikidata. wikidata.org. → on this site
  22. [50] . Wikidata. wikidata.org. → on this site
  23. [53] . Wikidata. wikidata.org. → on this site
  24. [54] . Wikidata. wikidata.org. → on this site
  25. [55] . Wikidata. wikidata.org. → on this site
  26. [56] . Wikidata. wikidata.org. → on this site
  27. [57] . Wikidata. wikidata.org. → on this site
  28. [58] . Wikidata. wikidata.org. → on this site
  29. [68] . Wikidata. wikidata.org. → on this site
  30. [70] . Wikidata. wikidata.org. → on this site
  31. [72] . Wikidata. wikidata.org. → on this site
  32. [60] . Wikidata. wikidata.org. → on this site
  33. [62] . Wikidata. wikidata.org. → on this site
  34. [64] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [9] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [65] . Wikidata sitelinks. wikidata.org.
  3. [66] . Wikidata aliases. wikidata.org.

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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. 6w ago · MariuszRokin · 2026-04-30 view diff on Wikidata ↗
    Educated at Princeton University, University of Paris, University of Bologna
    Member of
    Place of death Princeton
    Mother Elizabeth Alexander Alexander
    + 29 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P3368]]: 2192549, [[:toollabs:quickstatements/#/batch/257026|batch #257026]]"
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