# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/joao-magueijo
# Generated: 2026-08-31T21:50:37.011Z

schema: https://schema.org/Person
url: "https://fame.am/person/joao-magueijo"
name: "João Magueijo"
slug: "joao-magueijo"
description: "João Magueijo is a Portuguese cosmologist and professor in theoretical physics at Imperial College London. He is a pioneer of the varying speed of light (VSL) theory."
tagline: "Portuguese scientist"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Joao_Magueijo_p1020608.jpg?width=1200"
gender: "male"
country:
  name: "Portugal"
  isoCode: "PT"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1967-09-18"
livingStatus: "LIVING"
scores:
  popularity:           46.05
  momentum:             0
  historical:           12.69118266666667
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  70
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://it.wikiquote.org/wiki/Jo%C3%A3o_Magueijo"
    title: "Wikiquote"
    type:  "WEBSITE"
  - url: "https://de.wikipedia.org/wiki/Jo%C3%A3o_Magueijo"
    title: "João Magueijo"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Jo%C3%A3o_Magueijo"
    title: "João Magueijo"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Jo%C3%A3o_Magueijo"
    title: "João Magueijo"
    type:  "WIKIPEDIA"
  - url: "https://et.wikipedia.org/wiki/Jo%C3%A3o_Magueijo"
    title: "João Magueijo"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Jo%C3%A3o_Magueijo"
    title: "João Magueijo"
    type:  "WIKIPEDIA"
  - url: "https://gl.wikipedia.org/wiki/Jo%C3%A3o_Magueijo"
    title: "João Magueijo"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Jo%C3%A3o_Magueijo"
    title: "João Magueijo"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%82%B8%E3%83%A7%E3%82%A2%E3%82%AA%E3%83%BB%E3%83%9E%E3%82%B2%E3%82%A4%E3%82%B8%E3%83%A7"
    title: "ジョアオ・マゲイジョ"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Jo%C3%A3o_Magueijo"
    title: "João Magueijo"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Jo%C3%A3o_Magueijo"
    title: "João Magueijo"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%9C%D0%B0%D0%B3%D0%B5%D0%B9%D0%B6%D1%83%2C_%D0%96%D1%83%D0%B0%D0%BD"
    title: "Магейжу, Жуан"
    type:  "WIKIPEDIA"
  - url: "https://ta.wikipedia.org/wiki/%E0%AE%9C%E0%AF%8B%E0%AE%B5%E0%AE%BE%E0%AE%B5%E0%AF%8B_%E0%AE%AE%E0%AE%BE%E0%AE%95%E0%AF%8D%E0%AE%AF%E0%AF%82%E0%AE%AF%E0%AF%8B"
    title: "ஜோவாவோ மாக்யூயோ"
    type:  "WIKIPEDIA"
  - url: "https://zh.wikipedia.org/wiki/%E8%8B%A5%E6%98%82%C2%B7%E9%A9%AC%E7%9B%96%E8%8B%A5"
    title: "若昂·马盖若"
    type:  "WIKIPEDIA"
  - url: "https://en.wikiquote.org/wiki/Jo%C3%A3o_Magueijo"
    title: "Wikiquote"
    type:  "WEBSITE"
  - url: "https://www.wikidata.org/wiki/Q246536"
    title: "Wikidata"
    type:  "WIKIDATA"

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