# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/alfred-horn
# Generated: 2026-08-14T03:06:42.802Z

schema: https://schema.org/Person
url: "https://fame.am/person/alfred-horn"
name: "Alfred Horn"
slug: "alfred-horn"
description: "Alfred Horn was an American mathematician notable for his work in lattice theory and universal algebra. His 1951 paper \"On sentences which are true of direct unions of algebras\" described Horn clauses and Horn sentences, which later became used in logic programming."
tagline: "American mathematician (1918-2001)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Prof_Alfred_Horn_of_East_Palisades_CA_1973_passport_photo.jpg?width=1200"
gender: "male"
country:
  name: "United States"
  isoCode: "US"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1918-02-17"
deathDate: "2001-04-16"
livingStatus: "DECEASED"
scores:
  popularity:           42.44
  momentum:             12.58479532163743
  historical:           8.073182666666666
  currentAttention:     0
  sourceConfidence:     50.00000000000001
  profileCompleteness:  70
  trendDirection:       "RISING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://ja.wikipedia.org/wiki/%E3%82%A2%E3%83%AB%E3%83%95%E3%83%AC%E3%83%83%E3%83%89%E3%83%BB%E3%83%9B%E3%83%BC%E3%83%B3"
    title: "アルフレッド・ホーン"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Alfred_Horn"
    title: "Alfred Horn"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D8%A3%D9%84%D9%81%D8%B1%D8%AF_%D9%87%D9%88%D8%B1%D9%86"
    title: "ألفرد هورن"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Alfred_Horn_(Mathematiker)"
    title: "Alfred Horn (Mathematiker)"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Alfred_Horn"
    title: "Alfred Horn"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Alfred_Horn"
    title: "Alfred Horn"
    type:  "WIKIPEDIA"
  - url: "https://ht.wikipedia.org/wiki/Alfred_Horn"
    title: "Alfred Horn"
    type:  "WIKIPEDIA"
  - url: "https://hu.wikipedia.org/wiki/Alfred_Horn"
    title: "Alfred Horn"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Alfred_Horn"
    title: "Alfred Horn"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q761863"
    title: "Wikidata"
    type:  "WIKIDATA"

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