Karel Niessen

Dutch physicist
Person human Q6369351
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Karel Niessen

Summary

Karel Niessen is a human[1]. He was born on January 1, 1895[2]. He died on January 1, 1967[3]. He worked as a physicist[4]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (7 views/month, #7,298 of 1,000,298).[5]

Key Facts

  • Karel Niessen was born on January 1, 1895[2].
  • Karel Niessen died on January 1, 1967[3].
  • Karel Niessen held citizenship in Kingdom of the Netherlands[6].
  • Karel Niessen worked as a physicist[4].
  • Karel Niessen was educated at Utrecht University[7].
  • Karel Niessen's doctoral advisor was Leonard Ornstein[8].
  • Karel Niessen is recorded as male[9].
  • Karel Niessen's instance of is recorded as human[10].
  • Karel Niessen's Commons category is recorded as Karel Frederik Niessen[11].
  • Karel Niessen's family name is recorded as Niessen[12].
  • Karel Niessen's given name is recorded as Karel[13].
  • Karel Niessen's maintained by WikiProject is recorded as WikiProject Mathematics[14].

Body

Origins and Family

Karel Niessen was born on January 1, 1895[2].

Education

Karel Niessen's education included a stint at Utrecht University[7]. His doctoral advisor was Leonard Ornstein[8].

Career and Affiliations

Karel Niessen worked as a physicist[4].

Death and Burial

Karel Niessen died on January 1, 1967[3].

Why It Matters

Karel Niessen ranks in the top 0.73% of human entities by monthly Wikipedia readership (7 views/month, #7,298 of 1,000,298).[5] He is known by 3 alternative names across languages and contexts.[15]

FAQs

What did Karel Niessen do for work?

Karel Niessen worked as physicist[4].

Where did Karel Niessen go to school?

Karel Niessen was educated at Utrecht University[7].

References

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

Direct Wikidata claims

  1. [9] . wikidata.org.
  2. [6] . wikidata.org.
  3. [10] . wikidata.org.
  4. [7] . Mathematics Genealogy Project. wikidata.org.
  5. [4] . wikidata.org.
  6. [8] . Mathematics Genealogy Project. wikidata.org.
  7. [11] . wikidata.org.
  8. [2] . SNAC. Retrieved . wikidata.org.
  9. [3] . SNAC. Retrieved . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [5] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [15] . 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). Karel Niessen. Retrieved April 10, 2026, from https://4ort.xyz/entity/karel-niessen
MLA “Karel Niessen.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/karel-niessen.
BibTeX @misc{4ortxyz_karel-niessen_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Karel Niessen}}, year = {2026}, url = {https://4ort.xyz/entity/karel-niessen}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Karel Niessen — https://4ort.xyz/entity/karel-niessen (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. 12d ago · Epìdosis · 2026-05-21 view diff on Wikidata ↗
    Maintained by wikiproject WikiProject Mathematics
    Doctoral advisor Leonard Ornstein
    Instance of human
    Given name Karel
    + 10 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/32119|batch #32119]]: import P21 and P106 from GND (32)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.