# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/conel-hugh-o-donel-alexander
# Generated: 2026-08-15T15:12:26.812Z

schema: https://schema.org/Person
url: "https://fame.am/person/conel-hugh-o-donel-alexander"
name: "Conel Hugh O'Donel Alexander"
slug: "conel-hugh-o-donel-alexander"
description: "Conel Hugh O'Donel Alexander, known as Hugh Alexander and C. H. O'D. Alexander, was an Irish-born British cryptanalyst, chess player, and chess writer. He worked on the German Enigma machine at Bletchley Park during the Second World War, and was later the head of the cryptanalysis division at GCHQ for 25 years. He was twice British chess champion and earned the title of International Master."
tagline: "British cryptanalyst, chess player, and chess writer (1909–1974)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Aanvang_schaaktoernooi_Amsterdam%2C_Bestanddeelnr_906-6985_(cropped).jpg?width=1200"
gender: "male"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1909-04-19"
deathDate: "1974-02-15"
livingStatus: "DECEASED"
scores:
  popularity:           54.06
  momentum:             2.947856685860526
  historical:           17.09142
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  60
  trendDirection:       "STABLE"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://pl.wikiquote.org/wiki/Conel_Hugh_O'Donel_Alexander"
    title: "Wikiquote"
    type:  "WEBSITE"
  - url: "https://ar.wikipedia.org/wiki/%D9%83%D9%88%D9%86%D9%8A%D9%84_%D9%87%D9%8A%D9%88_%D8%A3%D9%88%D8%AF%D9%88%D9%86%D9%8A%D9%84_%D8%A3%D9%84%D9%83%D8%B3%D9%86%D8%AF%D8%B1"
    title: "كونيل هيو أودونيل ألكسندر"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%83%D9%88%D9%86%D9%8A%D9%84_%D9%87%D9%88%D8%AC_%D8%A7%D9%88'%D8%AF%D9%88%D9%86%D9%8A%D9%84_%D8%A7%D9%84%D9%8A%D9%83%D8%B3%D8%A7%D9%86%D8%AF%D8%B1"
    title: "كونيل هوج او'دونيل اليكساندر"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Conel_Hugh_O'Donel_Alexander"
    title: "Conel Hugh O'Donel Alexander"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Conel_Hugh_O%E2%80%99Donel_Alexander"
    title: "Conel Hugh O’Donel Alexander"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Conel_Hugh_O'Donel_Alexander"
    title: "Conel Hugh O'Donel Alexander"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Conel_Hugh_O'Donel_Alexander"
    title: "Conel Hugh O'Donel Alexander"
    type:  "WIKIPEDIA"
  - url: "https://et.wikipedia.org/wiki/Conel_Hugh_O'Donel_Alexander"
    title: "Conel Hugh O'Donel Alexander"
    type:  "WIKIPEDIA"
  - url: "https://fi.wikipedia.org/wiki/Conel_Hugh_O%E2%80%99Donel_Alexander"
    title: "Conel Hugh O’Donel Alexander"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Conel_Hugh_O'Donel_Alexander"
    title: "Conel Hugh O'Donel Alexander"
    type:  "WIKIPEDIA"
  - url: "https://he.wikipedia.org/wiki/%D7%A7%D7%95%D7%A0%D7%9C_%D7%99%D7%95_%D7%90%D7%95%D7%93%D7%95%D7%A0%D7%9C_%D7%90%D7%9C%D7%9B%D7%A1%D7%A0%D7%93%D7%A8"
    title: "קונל יו אודונל אלכסנדר"
    type:  "WIKIPEDIA"
  - url: "https://id.wikipedia.org/wiki/Conel_Hugh_O'Donel_Alexander"
    title: "Conel Hugh O'Donel Alexander"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Conel_Hugh_O'Donel_Alexander"
    title: "Conel Hugh O'Donel Alexander"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%82%B3%E3%83%BC%E3%83%8D%E3%83%AB%E3%83%BB%E3%83%92%E3%83%A5%E3%83%BC%E3%83%BB%E3%82%AA%E3%83%89%E3%83%8D%E3%83%AB%E3%83%BB%E3%82%A2%E3%83%AC%E3%82%B0%E3%82%B6%E3%83%B3%E3%83%80%E3%83%BC"
    title: "コーネル・ヒュー・オドネル・アレグザンダー"
    type:  "WIKIPEDIA"
  - url: "https://lv.wikipedia.org/wiki/Konels_Hj%C5%AB_O'Donels_Aleksanders"
    title: "Konels Hjū O'Donels Aleksanders"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/Conel_Alexander"
    title: "Conel Alexander"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Conel_Hugh_O%E2%80%99Donel_Alexander"
    title: "Conel Hugh O’Donel Alexander"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Conel_Hugh_O'Donel_Alexander"
    title: "Conel Hugh O'Donel Alexander"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%90%D0%BB%D0%B5%D0%BA%D1%81%D0%B0%D0%BD%D0%B4%D0%B5%D1%80%2C_%D0%9A%D0%BE%D0%BD%D0%B5%D0%BB_%D0%A5%D1%8C%D1%8E_%D0%9E%E2%80%99%D0%94%D0%BE%D0%BD%D0%B5%D0%BB"
    title: "Александер, Конел Хью О’Донел"
    type:  "WIKIPEDIA"
  - url: "https://zh.wikipedia.org/wiki/%E4%BC%91%C2%B7%E4%BA%9E%E6%AD%B7%E5%B1%B1%E5%A4%A7"
    title: "休·亞歷山大"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q539878"
    title: "Wikidata"
    type:  "WIKIDATA"

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