# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/paul-emile-lecoq-de-boisbaudran
# Generated: 2026-08-15T14:25:12.143Z

schema: https://schema.org/Person
url: "https://fame.am/person/paul-emile-lecoq-de-boisbaudran"
name: "Paul-Émile Lecoq de Boisbaudran"
slug: "paul-emile-lecoq-de-boisbaudran"
description: "Paul-Émile Lecoq de Boisbaudran, also called François Lecoq de Boisbaudran, was a self-taught French chemist known for his discoveries of the chemical elements gallium, samarium and dysprosium. He developed methods for separation and purification of the rare earth elements and was one of the pioneers of the science of spectroscopy."
tagline: "French chemist (1838–1912)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Lecoq_de_Boisbaudran.jpg?width=1200"
gender: "male"
country:
  name: "France"
  isoCode: "FR"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1838-04-18"
deathDate: "1912-05-28"
livingStatus: "DECEASED"
scores:
  popularity:           50.8
  momentum:             0
  historical:           20.56792933333334
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  70
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
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    title: "Paul Émile Lecoq de Boisbaudran"
    type:  "WIKIPEDIA"
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    title: "Paul-Émile Lecoq de Boisbaudran"
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    title: "پل-امیل لکو د بویسباودران"
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    title: "Paul Émile Lecoq de Boisbaudran"
    type:  "WIKIPEDIA"
  - url: "https://el.wikipedia.org/wiki/%CE%A0%CE%BF%CE%BB-%CE%95%CE%BC%CE%AF%CE%BB_%CE%A6%CF%81%CE%B1%CE%BD%CF%83%CE%BF%CF%85%CE%AC_%CE%9B%CE%B5%CE%BA%CF%8C%CE%BA_%CE%BD%CF%84%CE%B5_%CE%9C%CF%80%CE%BF%CF%85%CE%B1%CE%BC%CF%80%CE%BF%CE%BD%CF%84%CF%81%CE%AC%CE%BD"
    title: "Πολ-Εμίλ Φρανσουά Λεκόκ ντε Μπουαμποντράν"
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    title: "Paul-Émile Lecoq de Boisbaudran"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Paul-%C3%89mile_Lecoq_de_Boisbaudran"
    title: "Paul-Émile Lecoq de Boisbaudran"
    type:  "WIKIPEDIA"
  - url: "https://gd.wikipedia.org/wiki/Paul-%C3%89mile_Lecoq_de_Boisbaudran"
    title: "Paul-Émile Lecoq de Boisbaudran"
    type:  "WIKIPEDIA"
  - url: "https://hu.wikipedia.org/wiki/Paul_%C3%89mile_Lecoq_de_Boisbaudran"
    title: "Paul Émile Lecoq de Boisbaudran"
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    title: "Պոլ-Էմիլ Լեկոք դը Բուաբոդրան"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Paul_%C3%89mile_Lecoq_de_Boisbaudran"
    title: "Paul Émile Lecoq de Boisbaudran"
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    title: "ポール・ボアボードラン"
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  - url: "https://la.wikipedia.org/wiki/Paulus_Aemilius_Lecoq_de_Boisbaudran"
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    type:  "WIKIPEDIA"
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    title: "Paul-Émile Lecoq de Boisbaudran"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/Paul-%C3%89mile_Lecoq_de_Boisbaudran"
    title: "Paul-Émile Lecoq de Boisbaudran"
    type:  "WIKIPEDIA"
  - url: "https://no.wikipedia.org/wiki/Paul_%C3%89mile_Lecoq_de_Boisbaudran"
    title: "Paul Émile Lecoq de Boisbaudran"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q366827"
    title: "Wikidata"
    type:  "WIKIDATA"

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