# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/leo-zippin
# Generated: 2026-08-14T10:36:01.778Z

schema: https://schema.org/Person
url: "https://fame.am/person/leo-zippin"
name: "Leo Zippin"
slug: "leo-zippin"
description: "Leo Zippin was an American mathematician. He is best known for solving Hilbert's Fifth Problem with Deane Montgomery and Andrew M. Gleason in 1952."
tagline: "American mathematician (1905-1995)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Leo_Zippin.jpeg?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: "1905-01-25"
deathDate: "1995-05-11"
livingStatus: "DECEASED"
scores:
  popularity:           38.09
  momentum:             15
  historical:           6.335817333333334
  currentAttention:     0
  sourceConfidence:     39.99999999999999
  profileCompleteness:  70
  trendDirection:       "BREAKOUT"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://uk.wikipedia.org/wiki/%D0%9B%D0%B5%D0%BE_%D0%A6%D0%B8%D0%BF%D1%96%D0%BD"
    title: "Лео Ципін"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%84%D9%8A%D9%88_%D8%AA%D8%B3%D9%8A%D8%A8%D9%8A%D9%86"
    title: "ليو تسيبين"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Leo_Zippin"
    title: "Leo Zippin"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Leo_Zippin"
    title: "Leo Zippin"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Leo_Zippin"
    title: "Leo Zippin"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Leo_Zippin"
    title: "Leo Zippin"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%A6%D0%B8%D0%BF%D0%BF%D0%B8%D0%BD%2C_%D0%9B%D0%B5%D0%BE"
    title: "Циппин, Лео"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q1423262"
    title: "Wikidata"
    type:  "WIKIDATA"

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