# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/leonard-nelson
# Generated: 2026-08-13T04:36:35.375Z

schema: https://schema.org/Person
url: "https://fame.am/person/leonard-nelson"
name: "Leonard Nelson"
slug: "leonard-nelson"
description: "Leonard Nelson, sometimes spelt Leonhard, was a German mathematician, critical philosopher, and socialist. He was part of the neo-Friesian school of neo-Kantianism and a friend of the mathematician David Hilbert. He devised the Grelling–Nelson paradox in 1908 and the related idea of autological words with Kurt Grelling."
tagline: "German mathematician and philosopher (1882-1927)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Leonard_Nelson_(1882-1927)_digitalised.jpg?width=1200"
gender: "male"
country:
  name: "Germany"
  isoCode: "DE"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1882-07-11"
deathDate: "1927-10-29"
livingStatus: "DECEASED"
scores:
  popularity:           47.92
  momentum:             0
  historical:           15.09683466666667
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  70
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://de.wikiquote.org/wiki/Leonard_Nelson"
    title: "Wikiquote"
    type:  "WEBSITE"
  - url: "https://ar.wikipedia.org/wiki/%D9%84%D9%8A%D9%88%D9%86%D8%A7%D8%B1%D8%AF_%D9%86%D9%8A%D9%84%D8%B3%D9%88%D9%86"
    title: "ليونارد نيلسون"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%84%D9%8A%D9%88%D9%86%D8%A7%D8%B1%D8%AF_%D9%86%D9%8A%D9%84%D8%B3%D9%88%D9%86"
    title: "ليونارد نيلسون"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Leonard_Nelson"
    title: "Leonard Nelson"
    type:  "WIKIPEDIA"
  - url: "https://cs.wikipedia.org/wiki/Leonard_Nelson"
    title: "Leonard Nelson"
    type:  "WIKIPEDIA"
  - url: "https://da.wikipedia.org/wiki/Leonard_Nelson"
    title: "Leonard Nelson"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Leonard_Nelson"
    title: "Leonard Nelson"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Leonard_Nelson"
    title: "Leonard Nelson"
    type:  "WIKIPEDIA"
  - url: "https://fa.wikipedia.org/wiki/%D9%84%D8%A6%D9%88%D9%86%D8%A7%D8%B1%D8%AF_%D9%86%D9%84%D8%B3%D9%88%D9%86"
    title: "لئونارد نلسون"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Leonard_Nelson"
    title: "Leonard Nelson"
    type:  "WIKIPEDIA"
  - url: "https://ht.wikipedia.org/wiki/Leonard_Nelson"
    title: "Leonard Nelson"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Leonard_Nelson"
    title: "Leonard Nelson"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/Leonard_Nelson"
    title: "Leonard Nelson"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Leonard_Nelson"
    title: "Leonard Nelson"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BB%D1%8C%D1%81%D0%BE%D0%BD%2C_%D0%9B%D0%B5%D0%BE%D0%BD%D0%B0%D1%80%D0%B4"
    title: "Нельсон, Леонард"
    type:  "WIKIPEDIA"
  - url: "https://sv.wikipedia.org/wiki/Leonard_Nelson"
    title: "Leonard Nelson"
    type:  "WIKIPEDIA"
  - url: "https://uk.wikipedia.org/wiki/%D0%9B%D0%B5%D0%BE%D0%BD%D0%B0%D1%80%D0%B4_%D0%9D%D0%B5%D0%BB%D1%8C%D1%81%D0%BE%D0%BD"
    title: "Леонард Нельсон"
    type:  "WIKIPEDIA"
  - url: "https://zh.wikipedia.org/wiki/%E4%BC%A6%E7%BA%B3%E5%BE%B7%C2%B7%E5%B0%BC%E5%B0%94%E6%A3%AE"
    title: "伦纳德·尼尔森"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q65181"
    title: "Wikidata"
    type:  "WIKIDATA"

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