# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/leon-fredericq
# Generated: 2026-08-13T01:06:13.086Z

schema: https://schema.org/Person
url: "https://fame.am/person/leon-fredericq"
name: "Léon Fredericq"
slug: "leon-fredericq"
description: "Léon Fredericq was a Belgian physiologist. He conducted pioneering experiments on blood physiology, and discovered the copper-based hemocyanin of octopuses. He also examined gas-exchange, the working of the heart, and the transport of carbon dioxide and oxygen by blood. He served as a professor at the University of Liège from 1879."
tagline: "Belgian physiologist (1851-1935)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/L%C3%A9on_Fr%C3%A9d%C3%A9ricq.jpg?width=1200"
gender: "male"
category:
  name: "Doctors"
  slug: "doctors"
profileType:
  name: "Doctor"
  slug: "doctor"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1851-08-24"
deathDate: "1935-09-02"
livingStatus: "DECEASED"
scores:
  popularity:           35.55
  momentum:             0
  historical:           5.269402666666667
  currentAttention:     0
  sourceConfidence:     35
  profileCompleteness:  60
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://en.wikipedia.org/wiki/L%C3%A9on_Fredericq"
    title: "Léon Fredericq"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%84%D9%8A%D9%88%D9%86_%D9%81%D8%B1%D9%8A%D8%AF%D8%B1%D9%8A%D9%83"
    title: "ليون فريدريك"
    type:  "WIKIPEDIA"
  - url: "https://cy.wikipedia.org/wiki/L%C3%A9on_Fredericq"
    title: "Léon Fredericq"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/L%C3%A9on_Fredericq"
    title: "Léon Fredericq"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/L%C3%A9on_Fredericq"
    title: "Léon Fredericq"
    type:  "WIKIPEDIA"
  - url: "https://lb.wikipedia.org/wiki/L%C3%A9on_Fr%C3%A9d%C3%A9ricq"
    title: "Léon Frédéricq"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q3270970"
    title: "Wikidata"
    type:  "WIKIDATA"

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