# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/johann-karl-friedrich-zollner
# Generated: 2026-08-16T11:07:04.530Z

schema: https://schema.org/Person
url: "https://fame.am/person/johann-karl-friedrich-zollner"
name: "Johann Karl Friedrich Zöllner"
slug: "johann-karl-friedrich-zollner"
description: "Johann Karl Friedrich Zöllner was a German astrophysicist who studied optical illusions. He was also an early psychical investigator. He discovered the Zöllner illusion where lines that are parallel appear diagonal."
tagline: "German astrophysicist (1834–1882)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Johann_Karl_Friedrich_Zollner.jpg?width=1200"
gender: "male"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1834-11-08"
deathDate: "1882-04-25"
livingStatus: "DECEASED"
scores:
  popularity:           49.98
  momentum:             1.376811594202899
  historical:           18.822608
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  60
  trendDirection:       "STABLE"
ranks:
  global:   null
  country:  null
  category: null
sources:
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    title: "Йоганн Карл Фрідріх Целльнер"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D9%8A%D9%88%D9%87%D8%A7%D9%86_%D9%83%D8%A7%D8%B1%D9%84_%D9%81%D8%B1%D9%8A%D8%AF%D8%B1%D9%8A%D8%B4_%D8%B2%D9%88%D9%84%D9%86%D8%B1"
    title: "يوهان كارل فريدريش زولنر"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%8A%D9%88%D9%87%D8%A7%D9%86_%D9%83%D8%A7%D8%B1%D9%84_%D9%81%D8%B1%D9%8A%D8%AF%D8%B1%D9%8A%D8%B4_%D8%B2%D9%88%D9%84%D9%86%D8%B1"
    title: "يوهان كارل فريدريش زولنر"
    type:  "WIKIPEDIA"
  - url: "https://az.wikipedia.org/wiki/Fredrik_S%C3%B6lner"
    title: "Fredrik Sölner"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Johann_Karl_Friedrich_Z%C3%B6llner"
    title: "Johann Karl Friedrich Zöllner"
    type:  "WIKIPEDIA"
  - url: "https://da.wikipedia.org/wiki/Johann_Karl_Friedrich_Z%C3%B6llner"
    title: "Johann Karl Friedrich Zöllner"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Karl_Friedrich_Z%C3%B6llner"
    title: "Karl Friedrich Zöllner"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Johann_Karl_Friedrich_Z%C3%B6llner"
    title: "Johann Karl Friedrich Zöllner"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Johann_Karl_Friedrich_Z%C3%B6llner"
    title: "Johann Karl Friedrich Zöllner"
    type:  "WIKIPEDIA"
  - url: "https://fi.wikipedia.org/wiki/Johann_Karl_Friedrich_Z%C3%B6llner"
    title: "Johann Karl Friedrich Zöllner"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Johann_Karl_Friedrich_Z%C3%B6llner"
    title: "Johann Karl Friedrich Zöllner"
    type:  "WIKIPEDIA"
  - url: "https://hu.wikipedia.org/wiki/Karl_Friedrich_Z%C3%B6llner"
    title: "Karl Friedrich Zöllner"
    type:  "WIKIPEDIA"
  - url: "https://id.wikipedia.org/wiki/Johann_Karl_Friedrich_Z%C3%B6llner"
    title: "Johann Karl Friedrich Zöllner"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Johann_Karl_Friedrich_Z%C3%B6llner"
    title: "Johann Karl Friedrich Zöllner"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%82%AB%E3%83%BC%E3%83%AB%E3%83%BB%E3%83%95%E3%83%AA%E3%83%BC%E3%83%89%E3%83%AA%E3%83%83%E3%83%92%E3%83%BB%E3%83%84%E3%82%A7%E3%83%AB%E3%83%8A%E3%83%BC"
    title: "カール・フリードリッヒ・ツェルナー"
    type:  "WIKIPEDIA"
  - url: "https://ko.wikipedia.org/wiki/%EC%9A%94%ED%95%9C_%ED%94%84%EB%A6%AC%EB%93%9C%EB%A6%AC%ED%9E%88_%EC%B5%A4%EB%84%88"
    title: "요한 프리드리히 쵤너"
    type:  "WIKIPEDIA"
  - url: "https://mg.wikipedia.org/wiki/Johann_Karl_Friedrich_Z%C3%B6llner"
    title: "Johann Karl Friedrich Zöllner"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/Johann_Karl_Friedrich_Z%C3%B6llner"
    title: "Johann Karl Friedrich Zöllner"
    type:  "WIKIPEDIA"
  - url: "https://pms.wikipedia.org/wiki/Johann_Z%C3%B6llner"
    title: "Johann Zöllner"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Johann_Karl_Friedrich_Z%C3%B6llner"
    title: "Johann Karl Friedrich Zöllner"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%A6%D1%91%D0%BB%D0%BB%D1%8C%D0%BD%D0%B5%D1%80%2C_%D0%98%D0%BE%D0%B3%D0%B0%D0%BD%D0%BD_%D0%9A%D0%B0%D1%80%D0%BB_%D0%A4%D1%80%D0%B8%D0%B4%D1%80%D0%B8%D1%85"
    title: "Цёлльнер, Иоганн Карл Фридрих"
    type:  "WIKIPEDIA"
  - url: "https://sv.wikipedia.org/wiki/Johann_Karl_Friedrich_Z%C3%B6llner"
    title: "Johann Karl Friedrich Zöllner"
    type:  "WIKIPEDIA"
  - url: "https://th.wikipedia.org/wiki/%E0%B9%82%E0%B8%A2%E0%B8%AE%E0%B8%B1%E0%B8%99_%E0%B8%84%E0%B8%B2%E0%B8%A3%E0%B9%8C%E0%B8%A5_%E0%B8%9F%E0%B8%A3%E0%B8%B5%E0%B8%94%E0%B8%A3%E0%B8%B4%E0%B8%8A_%E0%B9%80%E0%B8%8B%E0%B8%B4%E0%B8%A5%E0%B9%80%E0%B8%99%E0%B8%AD%E0%B8%A3%E0%B9%8C"
    title: "โยฮัน คาร์ล ฟรีดริช เซิลเนอร์"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q61357"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump