# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/john-vlissides
# Generated: 2026-08-13T08:49:13.401Z

schema: https://schema.org/Person
url: "https://fame.am/person/john-vlissides"
name: "John Vlissides"
slug: "john-vlissides"
description: "John Matthew Vlissides was a software engineer known mainly as one of the four authors of the book Design Patterns: Elements of Reusable Object-Oriented Software. Vlissides referred to himself as \"#4 of the Gang of Four and wouldn't have it any other way\"."
tagline: "American Software scientist (1961–2005)"
gender: "male"
country:
  name: "United States"
  isoCode: "US"
category:
  name: "Writers"
  slug: "writers"
profileType:
  name: "Writer / Author"
  slug: "writer"
birthDate: "1961-08-02"
deathDate: "2005-11-24"
livingStatus: "DECEASED"
scores:
  popularity:           43.02
  momentum:             0
  historical:           9.615228
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  55
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: 209
sources:
  - url: "https://vo.wikipedia.org/wiki/John_Vlissides"
    title: "John Vlissides"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%AC%D9%88%D9%86_%D9%81%D9%84%D9%8A%D8%B3%D9%8A%D8%AF%D9%8A%D8%B3"
    title: "جون فليسيديس"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/John_Vlissides"
    title: "John Vlissides"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/John_Vlissides"
    title: "John Vlissides"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/John_Vlissides"
    title: "John Vlissides"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%82%B8%E3%83%A7%E3%83%B3%E3%83%BB%E3%83%96%E3%83%AA%E3%82%B7%E3%83%87%E3%82%A3%E3%83%BC%E3%82%B9"
    title: "ジョン・ブリシディース"
    type:  "WIKIPEDIA"
  - url: "https://mg.wikipedia.org/wiki/John_Vlissides"
    title: "John Vlissides"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/John_Vlissides"
    title: "John Vlissides"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%92%D0%BB%D0%B8%D1%81%D0%B8%D0%B4%D0%B8%D1%81%2C_%D0%94%D0%B6%D0%BE%D0%BD"
    title: "Влисидис, Джон"
    type:  "WIKIPEDIA"
  - url: "https://sv.wikipedia.org/wiki/John_Vlissides"
    title: "John Vlissides"
    type:  "WIKIPEDIA"
  - url: "https://uk.wikipedia.org/wiki/%D0%94%D0%B6%D0%BE%D0%BD_%D0%92%D0%BB%D1%96%D1%81%D1%81%D1%96%D0%B4%D0%B5%D1%81"
    title: "Джон Вліссідес"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q92755"
    title: "Wikidata"
    type:  "WIKIDATA"

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