Q137901135

researcher
Person human Q137901135
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Q137901135

Summary

Q137901135 is a human[1]. He was born in Heerlen[2]. He was born on +1951-12-28T00:00:00Z[3]. He worked as a researcher[4].

Key Facts

  • Q137901135's place of birth was Heerlen[2].
  • Q137901135 was born on +1951-12-28T00:00:00Z[3].
  • Q137901135 worked as a researcher[4].
  • Q137901135 was employed by Saxion University of Applied Sciences[5].
  • Q137901135 was employed by ROC van Twente[6].
  • Q137901135 was employed by HU University of Applied Sciences Utrecht[7].
  • Q137901135 was educated at Radboud University[8].
  • Q137901135 was educated at University of Amsterdam[9].
  • Q137901135's education included a stint at Katholieke Leergangen[10].
  • Q137901135's doctoral advisor was Q138327378[11].
  • Q137901135's doctoral advisor was B.W.M. Hövels[12].
  • Q137901135 is recorded as male[13].
  • Q137901135's instance of is recorded as human[14].
  • Q137901135 supervised Q138216092 as a doctoral student[15].
  • Q137901135's family name is recorded as Ritzen[16].
  • Q137901135's given name is recorded as Henricus[17].
  • Q137901135's given name is recorded as Theodorus[18].
  • Q137901135's given name is recorded as Maria[19].
  • Q137901135's nickname is recorded as Henk[20].
  • Q137901135's Academia.edu profile URL is recorded as https://uva.academia.edu/HenkRitzen[21].

Body

Origins and Family

Q137901135's place of birth was Heerlen[2]. He was born on +1951-12-28T00:00:00Z[3].

Education

Educated at Radboud University[8], a university[22], in Netherlands[23], founded in 1923[24]; University of Amsterdam[9], a university[25], in Netherlands[26], founded in 1632[27], headquartered in Amsterdam[28]; and Katholieke Leergangen[10], a higher education institution[29], in Netherlands[30], founded in 1912[31]. Doctoral advisors include Q138327378[11], a professor[32] and B.W.M. Hövels[12], a university teacher[33].

Career and Affiliations

Q137901135 worked as a researcher[4]. Employers include Saxion University of Applied Sciences[5], a vocational university[34], in Netherlands[35], founded in 1998[36], headquartered in Enschede[37]; ROC van Twente[6], a school[38], in Netherlands[39]; and HU University of Applied Sciences Utrecht[7], a University of Applied Sciences[40], in Netherlands[41], founded in 1988[42]. He supervised Q138216092 as a doctoral student[15].

FAQs

Where was Q137901135 born?

Q137901135's place of birth was Heerlen[2].

What did Q137901135 do for work?

Q137901135 worked as researcher[4].

Where did Q137901135 go to school?

Q137901135 was educated at Radboud University[8], University of Amsterdam[9], and Katholieke Leergangen[10].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [13] . wikidata.org.
  3. [14] . wikidata.org.
  4. [8] . Retrieved . wikidata.org.
  5. [9] . Retrieved . wikidata.org.
  6. [10] . Retrieved . wikidata.org.
  7. [4] . wikidata.org.
  8. [5] . wikidata.org.
  9. [6] . Retrieved . wikidata.org.
  10. [7] . Retrieved . wikidata.org.
  11. [11] . wikidata.org.
  12. [12] . wikidata.org.
  13. [15] . wikidata.org.
  14. [3] . wikidata.org.
  15. [16] . wikidata.org.
  16. [17] . wikidata.org.
  17. [18] . wikidata.org.
  18. [19] . wikidata.org.
  19. [20] . wikidata.org.
  20. [21] . wikidata.org.

Inline context (facts about related entities)

  1. [22] . Wikidata. wikidata.org. → on this site
  2. [23] . Wikidata. wikidata.org. → on this site
  3. [24] . Wikidata. wikidata.org. → on this site
  4. [25] . Wikidata. wikidata.org. → on this site
  5. [26] . Wikidata. wikidata.org. → on this site
  6. [27] . Wikidata. wikidata.org. → on this site
  7. [28] . Wikidata. wikidata.org. → on this site
  8. [29] . Wikidata. wikidata.org. → on this site
  9. [30] . Wikidata. wikidata.org. → on this site
  10. [31] . Wikidata. wikidata.org. → on this site
  11. [34] . Wikidata. wikidata.org. → on this site
  12. [35] . Wikidata. wikidata.org. → on this site
  13. [36] . Wikidata. wikidata.org. → on this site
  14. [37] . Wikidata. wikidata.org. → on this site
  15. [38] . Wikidata. wikidata.org. → on this site
  16. [39] . Wikidata. wikidata.org. → on this site
  17. [40] . Wikidata. wikidata.org. → on this site
  18. [41] . Wikidata. wikidata.org. → on this site
  19. [42] . Wikidata. wikidata.org. → on this site
  20. [32] . Wikidata. wikidata.org. → on this site
  21. [33] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. 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). Q137901135. Retrieved May 7, 2026, from https://4ort.xyz/entity/q137901135
MLA “Q137901135.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q137901135.
BibTeX @misc{4ortxyz_q137901135_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q137901135}}, year = {2026}, url = {https://4ort.xyz/entity/q137901135}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q137901135 — https://4ort.xyz/entity/q137901135 (retrieved 2026-05-07)

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