# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/michel-siffre
# Generated: 2026-08-14T13:40:26.204Z

schema: https://schema.org/Person
url: "https://fame.am/person/michel-siffre"
name: "Michel Siffre"
slug: "michel-siffre"
description: "Michel Augustin Francis Siffre was a French geologist, speleologist and underground explorer. He is especially known for the chronobiology experiments he conducted on himself."
tagline: "French cave explorer (1939–2024)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Michel_SiffreP1010680mod.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: "1939-01-03"
deathDate: "2024-08-25"
livingStatus: "DECEASED"
scores:
  popularity:           51.27
  momentum:             2.372706554350335
  historical:           11.52006533333333
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  70
  trendDirection:       "STABLE"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://uk.wikipedia.org/wiki/%D0%9C%D1%96%D1%88%D0%B5%D0%BB%D1%8C_%D0%A1%D1%96%D1%84%D1%80"
    title: "Мішель Сіфр"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Michel_Siffre"
    title: "Michel Siffre"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Michel_Siffre"
    title: "Michel Siffre"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Michel_Siffre"
    title: "Michel Siffre"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Michel_Siffre"
    title: "Michel Siffre"
    type:  "WIKIPEDIA"
  - url: "https://hu.wikipedia.org/wiki/Michel_Siffre"
    title: "Michel Siffre"
    type:  "WIKIPEDIA"
  - url: "https://hy.wikipedia.org/wiki/%D5%84%D5%AB%D5%B7%D5%A5%D5%AC_%D5%8D%D5%AB%D6%86%D6%80"
    title: "Միշել Սիֆր"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Michel_Siffre"
    title: "Michel Siffre"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Michel_Siffre"
    title: "Michel Siffre"
    type:  "WIKIPEDIA"
  - url: "https://ro.wikipedia.org/wiki/Michel_Siffre"
    title: "Michel Siffre"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%A1%D0%B8%D1%84%D1%80%2C_%D0%9C%D0%B8%D1%88%D0%B5%D0%BB%D1%8C"
    title: "Сифр, Мишель"
    type:  "WIKIPEDIA"
  - url: "https://sv.wikipedia.org/wiki/Michel_Siffre"
    title: "Michel Siffre"
    type:  "WIKIPEDIA"
  - url: "https://tr.wikipedia.org/wiki/Michel_Siffre"
    title: "Michel Siffre"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q339589"
    title: "Wikidata"
    type:  "WIKIDATA"

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