# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/henry-john-stephen-smith
# Generated: 2026-08-13T22:29:04.284Z

schema: https://schema.org/Person
url: "https://fame.am/person/henry-john-stephen-smith"
name: "Henry John Stephen Smith"
slug: "henry-john-stephen-smith"
description: "Henry John Stephen Smith was an Irish mathematician and amateur astronomer remembered for his work in elementary divisors, quadratic forms, and Smith–Minkowski–Siegel mass formula in number theory. In matrix theory he is visible today in having his name on the Smith normal form of a matrix. Smith was also first to discover the Cantor set."
tagline: "Irish mathematician (1826–1883)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Henry_John_Stephen_Smith.jpg?width=1200"
gender: "male"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1826-11-02"
deathDate: "1883-02-09"
livingStatus: "DECEASED"
scores:
  popularity:           44.95
  momentum:             0.2958579881656805
  historical:           14.212528
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  60
  trendDirection:       "STABLE"
ranks:
  global:   null
  country:  null
  category: null
sources:
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    title: "Wikiquote"
    type:  "WEBSITE"
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    title: "هنري سميث (رياضياتي)"
    type:  "WIKIPEDIA"
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    title: "هنرى سميث"
    type:  "WIKIPEDIA"
  - url: "https://azb.wikipedia.org/wiki/%D9%87%D9%86%D8%B1%DB%8C_%D8%AC%D8%A7%D9%86_%D8%A7%D8%B3%D8%AA%DB%8C%D9%88%D9%86_%D8%A7%D8%B3%D9%85%DB%8C%D8%AA"
    title: "هنری جان استیون اسمیت"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Henry_John_Stephen_Smith"
    title: "Henry John Stephen Smith"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Henry_John_Stephen_Smith"
    title: "Henry John Stephen Smith"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Henry_John_Stephen_Smith"
    title: "Henry John Stephen Smith"
    type:  "WIKIPEDIA"
  - url: "https://fa.wikipedia.org/wiki/%D9%87%D9%86%D8%B1%DB%8C_%D8%AC%D8%A7%D9%86_%D8%A7%D8%B3%D8%AA%DB%8C%D9%88%D9%86_%D8%A7%D8%B3%D9%85%DB%8C%D8%AA"
    title: "هنری جان استیون اسمیت"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Henry_John_Stephen_Smith"
    title: "Henry John Stephen Smith"
    type:  "WIKIPEDIA"
  - url: "https://he.wikipedia.org/wiki/%D7%94%D7%A0%D7%A8%D7%99_%D7%92'%D7%95%D7%9F_%D7%A1%D7%9E%D7%99%D7%AA"
    title: "הנרי ג'ון סמית"
    type:  "WIKIPEDIA"
  - url: "https://ht.wikipedia.org/wiki/Henry_John_Stephen_Smith"
    title: "Henry John Stephen Smith"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Henry_John_Stephen_Smith"
    title: "Henry John Stephen Smith"
    type:  "WIKIPEDIA"
  - url: "https://ko.wikipedia.org/wiki/%ED%97%A8%EB%A6%AC_%EC%A1%B4_%EC%8A%A4%ED%8B%B0%EB%B8%90_%EC%8A%A4%EB%AF%B8%EC%8A%A4"
    title: "헨리 존 스티븐 스미스"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/Henry_John_Stephen_Smith"
    title: "Henry John Stephen Smith"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Henry_John_Stephen_Smith"
    title: "Henry John Stephen Smith"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%A1%D0%BC%D0%B8%D1%82%2C_%D0%93%D0%B5%D0%BD%D1%80%D0%B8_%D0%94%D0%B6%D0%BE%D0%BD_%D0%A1%D1%82%D0%B8%D0%B2%D0%B5%D0%BD"
    title: "Смит, Генри Джон Стивен"
    type:  "WIKIPEDIA"
  - url: "https://sl.wikipedia.org/wiki/Henry_John_Stephen_Smith"
    title: "Henry John Stephen Smith"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q742431"
    title: "Wikidata"
    type:  "WIKIDATA"

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