Jan Hendrik de Boer

Dutch scientist (1899-1971)
Person human Q705255
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Jan Hendrik de Boer

Summary

Jan Hendrik de Boer is a human[1]. His place of birth was Ruinen[2]. He was born on March 19, 1899[3]. He passed away in The Hague[4]. He died on April 25, 1971[5]. He worked as a chemist[6], physicist[7], and university teacher[8]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (14 views/month, #7,295 of 1,000,298).[9]

Key Facts

  • Jan Hendrik de Boer's place of birth was Ruinen[2].
  • Jan Hendrik de Boer passed away in The Hague[4].
  • Jan Hendrik de Boer was born on March 19, 1899[3].
  • Jan Hendrik de Boer died on April 25, 1971[5].
  • Jan Hendrik de Boer held citizenship in Kingdom of the Netherlands[10].
  • Dutch was Jan Hendrik de Boer's native language[11].
  • Jan Hendrik de Boer's professions included chemist[6].
  • Jan Hendrik de Boer's professions included physicist[7].
  • Jan Hendrik de Boer worked as a university teacher[8].
  • Jan Hendrik de Boer's field of work was chemistry[12].
  • Jan Hendrik de Boer's field of work was physics[13].
  • Jan Hendrik de Boer's field of work was physical chemistry[14].
  • Jan Hendrik de Boer was employed by Koninklijke Philips NV[15].
  • Jan Hendrik de Boer was employed by Unilever[16].
  • Among Jan Hendrik de Boer's employers was Delft University of Technology[17].
  • Among Jan Hendrik de Boer's employers was Koninklijke DSM[18].
  • Jan Hendrik de Boer was employed by Utrecht University[19].
  • Jan Hendrik de Boer was educated at University of Groningen[20].
  • Jan Hendrik de Boer's doctoral advisor was Hilmar Johannes Backer[21].
  • A notable work attributed to Jan Hendrik de Boer is crystal bar process[22].
  • Jan Hendrik de Boer was a member of Royal Netherlands Academy of Arts and Sciences[23].
  • Jan Hendrik de Boer is recorded as male[24].
  • Jan Hendrik de Boer's instance of is recorded as human[25].
  • Jan Hendrik de Boer supervised E.G.D. Cohen as a doctoral student[26].
  • Jan Hendrik de Boer's Commons category is recorded as Jan Hendrik de Boer[27].

Body

Origins and Family

Jan Hendrik de Boer was born in Ruinen[2]. He was born on March 19, 1899[3]. Dutch was his native language[11].

Education

Jan Hendrik de Boer was educated at University of Groningen[20]. His doctoral advisor was Hilmar Johannes Backer[21].

Career and Affiliations

Recorded occupations include chemist[6], physicist[7], and university teacher[8]. Fields of work include chemistry[12], a branch of science[28]; physics[13], a branch of science[29]; and physical chemistry[14], a branch of chemistry[30]. Employers include Koninklijke Philips NV[15], an enterprise[31], in Netherlands[32], founded in 1891[33], headquartered in Amsterdam[34]; Unilever[16], a multinational corporation[35], in United Kingdom[36], founded in 1929[37], headquartered in London[38]; Delft University of Technology[17], an institute of technology[39], in Netherlands[40], founded in 1842[41], headquartered in Delft[42]; Koninklijke DSM[18], a business[43], in Netherlands[44], founded in 1902[45], headquartered in Heerlen[46]; and Utrecht University[19], a public research university[47], in Netherlands[48], founded in 1636[49], headquartered in Utrecht[50]. Jan Hendrik de Boer supervised E.G.D. Cohen as a doctoral student[26].

Works and Contributions

A notable work attributed to Jan Hendrik de Boer is crystal bar process[22]. Things named for him include crystal bar process[51].

Death and Burial

Jan Hendrik de Boer died on April 25, 1971[5]. He died in The Hague[4].

Why It Matters

Jan Hendrik de Boer ranks in the top 0.73% of human entities by monthly Wikipedia readership (14 views/month, #7,295 of 1,000,298).[9] He has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[52] He is known by 9 alternative names across languages and contexts.[53]

He is credited with the discovery of zirconium[54], a chemical element[55]. Entities named for him include crystal bar process[51].

His notable doctoral advisees include E.G.D. Cohen[56], a physicist[57], 1923–2017[58], of United States[59], awarded the Boltzmann Medal[60].

FAQs

Where was Jan Hendrik de Boer born?

Born in Ruinen[2], Jan Hendrik de Boer…

Where did Jan Hendrik de Boer die?

Jan Hendrik de Boer died in The Hague[4].

What did Jan Hendrik de Boer do for work?

Jan Hendrik de Boer worked as chemist[6], physicist[7], and university teacher[8].

Where did Jan Hendrik de Boer go to school?

Jan Hendrik de Boer was educated at University of Groningen[20].

What did Jan Hendrik de Boer discover?

Jan Hendrik de Boer is credited as discoverer of zirconium[54].

References

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

Direct Wikidata claims

  1. [2] . Catalogus Professorum Academiae Rheno-Traiectinae. Retrieved . wikidata.org.
  2. [4] . wikidata.org.
  3. [24] . Catalogus Professorum Academiae Rheno-Traiectinae. Retrieved . wikidata.org.
  4. [10] . Catalogus Professorum Academiae Rheno-Traiectinae. Retrieved . wikidata.org.
  5. [25] . wikidata.org.
  6. [20] . wikidata.org.
  7. [12] . wikidata.org.
  8. [13] . wikidata.org.
  9. [14] . Czech National Authority Database. Retrieved . wikidata.org.
  10. [11] . wikidata.org.
  11. [6] . Integrated Authority File. Retrieved . wikidata.org.
  12. [7] . wikidata.org.
  13. [8] . Catalogus Professorum Academiae Rheno-Traiectinae. Retrieved . wikidata.org.
  14. [15] . wikidata.org.
  15. [16] . wikidata.org.
  16. [17] . dataset Library TU Delft. Retrieved . wikidata.org.
  17. [18] . wikidata.org.
  18. [19] . Catalogus Professorum Academiae Rheno-Traiectinae. Retrieved . wikidata.org.
  19. [21] . Mathematics Genealogy Project. wikidata.org.
  20. [26] . wikidata.org.
  21. [27] . wikidata.org.
  22. [23] . wikidata.org.
  23. [3] . Biografisch Portaal. Retrieved . wikidata.org.
  24. [5] . Catalogus Professorum Academiae Rheno-Traiectinae. Retrieved . wikidata.org.
  25. [22] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [54] . wikidata.org. → on this site
  2. [56] . wikidata.org. → on this site
  3. [51] . 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. [40] . Wikidata. wikidata.org. → on this site
  14. [41] . Wikidata. wikidata.org. → on this site
  15. [42] . Wikidata. wikidata.org. → on this site
  16. [43] . Wikidata. wikidata.org. → on this site
  17. [44] . Wikidata. wikidata.org. → on this site
  18. [45] . Wikidata. wikidata.org. → on this site
  19. [46] . Wikidata. wikidata.org. → on this site
  20. [47] . Wikidata. wikidata.org. → on this site
  21. [48] . Wikidata. wikidata.org. → on this site
  22. [49] . Wikidata. wikidata.org. → on this site
  23. [50] . Wikidata. wikidata.org. → on this site
  24. [55] . Wikidata. wikidata.org. → on this site
  25. [57] . Wikidata. wikidata.org. → on this site
  26. [58] . Wikidata. wikidata.org. → on this site
  27. [59] . Wikidata. wikidata.org. → on this site
  28. [60] . 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. [52] . Wikidata sitelinks. wikidata.org.
  3. [53] . Wikidata aliases. wikidata.org.

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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). Jan Hendrik de Boer. Retrieved April 10, 2026, from https://4ort.xyz/entity/jan-hendrik-de-boer
MLA “Jan Hendrik de Boer.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/jan-hendrik-de-boer.
BibTeX @misc{4ortxyz_jan-hendrik-de-boer_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Jan Hendrik de Boer}}, year = {2026}, url = {https://4ort.xyz/entity/jan-hendrik-de-boer}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Jan Hendrik de Boer — https://4ort.xyz/entity/jan-hendrik-de-boer (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. 11d ago · Tholzheim · 2026-05-27 view diff on Wikidata ↗
    Sex or gender male
    Citizenship
    Factgrid item id Q1783838
    Notable work
    + 26 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ [[Property:P8168]]: Q1783838, adds FactGrid ID"
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