# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/douglas-mcilroy
# Generated: 2026-08-13T21:08:25.238Z

schema: https://schema.org/Person
url: "https://fame.am/person/douglas-mcilroy"
name: "Douglas McIlroy"
slug: "douglas-mcilroy"
description: "Malcolm Douglas McIlroy is an American mathematician, engineer, and programmer. As of 2019 he is an Adjunct Professor of Computer Science at Dartmouth College.\nMcIlroy is best known for having originally proposed Unix pipelines and developed several Unix tools, such as echo, spell, diff, sort, join, graph, speak, and tr. He was also one of the pioneering researchers of macro processors and programming language extensibility. He participated in the design of multiple influential programming languages, particularly PL/I, SNOBOL, ALTRAN, TMG and C++."
tagline: "American computer scientist, mathematician, engineer, and programmer"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Douglas_McIlroy.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: "1932-04-24"
livingStatus: "LIVING"
scores:
  popularity:           51.02
  momentum:             0
  historical:           20.57984533333333
  currentAttention:     0
  sourceConfidence:     65
  profileCompleteness:  75
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: 183
platforms:
  - platform:  "WEBSITE"
    url:       "https://cs.dartmouth.edu/~doug/"
sources:
  - url: "https://en.wikiquote.org/wiki/Doug_McIlroy"
    title: "Wikiquote"
    type:  "WEBSITE"
  - url: "https://ar.wikipedia.org/wiki/%D8%AF%D9%88%D8%BA%D9%84%D8%A7%D8%B3_%D9%85%D8%A7%D9%83%D9%84%D8%B1%D9%88%D9%8A"
    title: "دوغلاس ماكلروي"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%AF%D9%88%D8%AC%D9%84%D8%A7%D8%B3_%D9%85%D8%A7%D9%83%D9%84%D8%B1%D9%88%D9%89"
    title: "دوجلاس ماكلروى"
    type:  "WIKIPEDIA"
  - url: "https://az.wikipedia.org/wiki/Duqlas_Makilroy"
    title: "Duqlas Makilroy"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Douglas_McIlroy"
    title: "Douglas McIlroy"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Douglas_McIlroy"
    title: "Douglas McIlroy"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Douglas_McIlroy"
    title: "Douglas McIlroy"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Douglas_McIlroy"
    title: "Douglas McIlroy"
    type:  "WIKIPEDIA"
  - url: "https://fa.wikipedia.org/wiki/%D8%AF%D8%A7%DA%AF%D9%84%D8%A7%D8%B3_%D9%85%DA%A9_%D8%A7%DB%8C%D9%84%D8%B1%D9%88%DB%8C"
    title: "داگلاس مک ایلروی"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Douglas_McIlroy"
    title: "Douglas McIlroy"
    type:  "WIKIPEDIA"
  - url: "https://hu.wikipedia.org/wiki/Douglas_McIlroy"
    title: "Douglas McIlroy"
    type:  "WIKIPEDIA"
  - url: "https://id.wikipedia.org/wiki/Douglas_McIlroy"
    title: "Douglas McIlroy"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Douglas_McIlroy"
    title: "Douglas McIlroy"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%83%80%E3%82%B0%E3%83%A9%E3%82%B9%E3%83%BB%E3%83%9E%E3%82%AD%E3%83%AB%E3%83%AD%E3%82%A4"
    title: "ダグラス・マキルロイ"
    type:  "WIKIPEDIA"
  - url: "https://ko.wikipedia.org/wiki/%EB%8D%94%EA%B8%80%EB%9F%AC%EC%8A%A4_%EB%A7%A4%ED%82%AC%EB%A1%9C%EC%9D%B4"
    title: "더글러스 매킬로이"
    type:  "WIKIPEDIA"
  - url: "https://mg.wikipedia.org/wiki/Douglas_McIlroy"
    title: "Douglas McIlroy"
    type:  "WIKIPEDIA"
  - url: "https://no.wikipedia.org/wiki/Doug_McIlroy"
    title: "Doug McIlroy"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Douglas_McIlroy"
    title: "Douglas McIlroy"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Douglas_McIlroy"
    title: "Douglas McIlroy"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%9C%D0%B0%D0%BA%D0%B8%D0%BB%D1%80%D0%BE%D0%B9%2C_%D0%94%D1%83%D0%B3%D0%BB%D0%B0%D1%81"
    title: "Макилрой, Дуглас"
    type:  "WIKIPEDIA"
  - url: "https://simple.wikipedia.org/wiki/Douglas_McIlroy"
    title: "Douglas McIlroy"
    type:  "WIKIPEDIA"
  - url: "https://sv.wikipedia.org/wiki/Douglas_McIlroy"
    title: "Douglas McIlroy"
    type:  "WIKIPEDIA"
  - url: "https://uk.wikipedia.org/wiki/%D0%94%D1%83%D0%B3%D0%BB%D0%B0%D1%81_%D0%9C%D0%B0%D0%BA%D1%96%D0%BB%D1%80%D0%BE%D0%B9"
    title: "Дуглас Макілрой"
    type:  "WIKIPEDIA"
  - url: "https://ur.wikipedia.org/wiki/%DA%88%DA%AF%D9%84%D8%B3_%D9%85%DB%8C%DA%A9%D9%84%D8%B1%D8%A7%D8%A6%DB%92"
    title: "ڈگلس میکلرائے"
    type:  "WIKIPEDIA"
  - url: "https://zh.wikipedia.org/wiki/%E9%81%93%E6%A0%BC%E6%8B%89%E6%96%AF%C2%B7%E9%BA%A5%E5%85%8B%E7%BE%85%E4%BC%8A"
    title: "道格拉斯·麥克羅伊"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q92881"
    title: "Wikidata"
    type:  "WIKIDATA"

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