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Claus Madsen

astronomer
Person human Q112476719
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Summary

Claus Madsen was born on 1951[1] in Copenhagen[2]. He has worked as an astronomer[3].

Key Facts

  • Member of: International Astronomical Union[4]
  • Sex or gender: male[5]
  • Family name: Madsen[6]
  • Given name: Claus[7]
  • P14528: 25435[8]

FAQs

Where was Claus Madsen born?

Claus Madsen was born in Copenhagen[2].

What did Claus Madsen do for work?

Claus Madsen worked as an astronomer[3].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [1] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . wikidata.org.
  8. [8] ↑ . 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). Claus Madsen. Retrieved May 3, 2026, from https://4ort.xyz/entity/claus-madsen-q112476719
MLA “Claus Madsen.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/claus-madsen-q112476719.
BibTeX @misc{4ortxyz_claus-madsen-q112476719_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Claus Madsen}}, year = {2026}, url = {https://4ort.xyz/entity/claus-madsen-q112476719}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Claus Madsen — https://4ort.xyz/entity/claus-madsen-q112476719 (retrieved 2026-05-03)

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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. 5w ago · KrBot bot · 2026-09-09 view diff on Wikidata ↗
    Member of → International Astronomical Union
    "/* wbcreateclaim-create:1| */ Member of: International Astronomical Union, according to item-requires-statement constraint constraint from Iau member id (archived)"
  2. 6w ago · Simon Villeneuve · 2026-09-05 view diff on Wikidata ↗
    Rero id (legacy) → A003548692
    Iau member id (archived) → 13861
    Wikidata description → astronomer
    "/* wbeditentity-update-languages-short:0||en, es, fi, fr, it, nl, no, pt, sv */ [[MediaWiki talk:Gadget-autoEdit.js|autoEdit]] Update Descriptions (astronome)"
  3. 6w ago · Simon Villeneuve · 2026-09-05 view diff on Wikidata ↗
    P14528 → 25435
    "/* wbsetclaim-create:1||1 */ P14528: 25435, Matched to [[:toollabs:mix-n-match/#/entry/291428369|Claus Madsen (#291428369)]] in [[:toollabs:mix-n-match/#/catalog/7954|IAU member]] #mix'n'"
  4. 12w ago · Epìdosis · 2026-07-23 view diff on Wikidata ↗
    Idref id → 056929501
    National library of latvia id → 000173134
    Family name → Madsen
    Imported from → —
    + 14 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/43073|batch #43073]]: substitute P214 reference with P227 reference (2)"
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