Franz Carl Müller-Lyer

German psychologist & sociologist (1857-1916)
Person human Q6546821
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Franz Carl Müller-Lyer

Summary

Franz Carl Müller-Lyer is a human[1]. He was born in Baden-Baden[2]. He was born on February 5, 1857[3]. He died in Munich[4]. He died on October 29, 1916[5]. He worked as a psychologist[6], sociologist[7], and physician[8]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (19 views/month, #7,290 of 1,000,298).[9]

Key Facts

  • Born in Baden-Baden[2], Franz Carl Müller-Lyer…
  • Franz Carl Müller-Lyer died in Munich[4].
  • Franz Carl Müller-Lyer was born on February 5, 1857[3].
  • Franz Carl Müller-Lyer died on October 29, 1916[5].
  • Franz Carl Müller-Lyer held citizenship in Grand Duchy of Baden[10].
  • Franz Carl Müller-Lyer's professions included psychologist[6].
  • Franz Carl Müller-Lyer worked as a sociologist[7].
  • Franz Carl Müller-Lyer worked as a physician[8].
  • Franz Carl Müller-Lyer is recorded as male[11].
  • Franz Carl Müller-Lyer's instance of is recorded as human[12].
  • Franz Carl Müller-Lyer's Commons category is recorded as Franz Carl Müller-Lyer[13].
  • Franz Carl Müller-Lyer's archives at is recorded as Bavarian State Library[14].
  • Franz Carl Müller-Lyer's family name is recorded as Müller[15].
  • Franz Carl Müller-Lyer's given name is recorded as Franz[16].
  • Franz Carl Müller-Lyer's languages spoken, written or signed is recorded as German[17].

Body

Origins and Family

Franz Carl Müller-Lyer's place of birth was Baden-Baden[2]. He was born on February 5, 1857[3].

Career and Affiliations

Recorded occupations include psychologist[6], sociologist[7], and physician[8].

Death and Burial

Franz Carl Müller-Lyer died on October 29, 1916[5]. He passed away in Munich[4].

Works and Contributions

Things named for Franz Carl Müller-Lyer include Müller-Lyer illusion[18], an optical illusion[19].

Why It Matters

Franz Carl Müller-Lyer ranks in the top 0.73% of human entities by monthly Wikipedia readership (19 views/month, #7,290 of 1,000,298).[9] He has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[20] He is known by 8 alternative names across languages and contexts.[21]

Entities named for him include Müller-Lyer illusion[18], an optical illusion[19].

FAQs

Where was Franz Carl Müller-Lyer born?

Born in Baden-Baden[2], Franz Carl Müller-Lyer…

Where did Franz Carl Müller-Lyer die?

Franz Carl Müller-Lyer passed away in Munich[4].

What did Franz Carl Müller-Lyer do for work?

Franz Carl Müller-Lyer worked as psychologist[6], sociologist[7], and physician[8].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [4] . wikidata.org.
  3. [11] . Integrated Authority File. Retrieved . wikidata.org.
  4. [10] . wikidata.org.
  5. [12] . wikidata.org.
  6. [6] . wikidata.org.
  7. [7] . wikidata.org.
  8. [8] . Retrieved . wikidata.org.
  9. [13] . wikidata.org.
  10. [14] . kalliope-verbund.info. kalliope-verbund.info. Provenance: wikidata.org.
  11. [3] . deutsche-biographie.de. Retrieved . deutsche-biographie.de. Provenance: wikidata.org.
  12. [5] . deutsche-biographie.de. Retrieved . deutsche-biographie.de. Provenance: wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [18] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [19] . 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. [20] . Wikidata sitelinks. wikidata.org.
  3. [21] . 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). Franz Carl Müller-Lyer. Retrieved April 10, 2026, from https://4ort.xyz/entity/franz-carl-m-ller-lyer
MLA “Franz Carl Müller-Lyer.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/franz-carl-m-ller-lyer.
BibTeX @misc{4ortxyz_franz-carl-m-ller-lyer_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Franz Carl Müller-Lyer}}, year = {2026}, url = {https://4ort.xyz/entity/franz-carl-m-ller-lyer}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Franz Carl Müller-Lyer — https://4ort.xyz/entity/franz-carl-m-ller-lyer (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/franz-carl-m-ller-lyer · Last refreshed:

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. 17d ago · Epìdosis · 2026-05-21 view diff on Wikidata ↗
    Place of death Munich
    Instance of human
    Languages spoken, written or signed German
    Given name Franz
    + 10 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/32149|batch #32149]]: import P21 and P106 from GND (33)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.