# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/jean-paul-grandjean-de-fouchy
# Generated: 2026-08-16T13:01:29.030Z

schema: https://schema.org/Person
url: "https://fame.am/person/jean-paul-grandjean-de-fouchy"
name: "Jean-Paul Grandjean de Fouchy"
slug: "jean-paul-grandjean-de-fouchy"
description: "Jean-Paul Grandjean de Fouchy was a French astronomer from a noble family. He introduced the analemma curve which allowed the calculation of the local solar noon according to the time of year in 1740. Analemmatic sundials were introduced by J. J. Lalande."
tagline: "French astronomer"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Grandjean_de_Fouchy.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: "1707-03-10"
deathDate: "1788-04-15"
livingStatus: "DECEASED"
scores:
  popularity:           39.59
  momentum:             15
  historical:           7.203312
  currentAttention:     0
  sourceConfidence:     45
  profileCompleteness:  70
  trendDirection:       "BREAKOUT"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://fr.wikipedia.org/wiki/Jean-Paul_Grandjean_de_Fouchy"
    title: "Jean-Paul Grandjean de Fouchy"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Jean-Paul_Grandjean_de_Fouchy"
    title: "Jean-Paul Grandjean de Fouchy"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D8%AC%D8%A7%D9%86_%D8%A8%D9%88%D9%84_%D8%AC%D8%B1%D8%A7%D9%86%D8%AF%D8%AC%D9%8A%D9%86_%D8%AF%D9%8A_%D9%81%D9%88%D8%AA%D8%B4%D9%8A"
    title: "جان بول جراندجين دي فوتشي"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%AC%D8%A7%D9%86_%D8%A8%D9%88%D9%84_%D8%AC%D8%B1%D8%A7%D9%86%D8%AF%D8%AC%D9%8A%D9%86_%D8%AF%D9%89_%D9%81%D9%88%D8%AA%D8%B4%D9%89"
    title: "جان بول جراندجين دى فوتشى"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Jean-Paul_Grandjean_de_Fouchy"
    title: "Jean-Paul Grandjean de Fouchy"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Jean-Paul_Grandjean_de_Fouchy"
    title: "Jean-Paul Grandjean de Fouchy"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Jean-Paul_Grandjean_de_Fouchy"
    title: "Jean-Paul Grandjean de Fouchy"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Jean-Paul_Grandjean_de_Fouchy"
    title: "Jean-Paul Grandjean de Fouchy"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q3168514"
    title: "Wikidata"
    type:  "WIKIDATA"

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