# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/john-hadley
# Generated: 2026-08-13T11:39:28.501Z

schema: https://schema.org/Person
url: "https://fame.am/person/john-hadley"
name: "John Hadley"
slug: "john-hadley"
description: "John Hadley was an English mathematician, and laid claim to the invention of the octant, two years after Thomas Godfrey claimed the same."
tagline: "English mathematician and astronomer; (1682-1744)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/John_Hadley.jpg?width=1200"
gender: "male"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1682-04-16"
deathDate: "1744-02-14"
livingStatus: "DECEASED"
scores:
  popularity:           48.03
  momentum:             0
  historical:           17.08549466666667
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  60
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://zh.wikipedia.org/wiki/%E7%B4%84%E7%BF%B0%C2%B7%E5%93%88%E5%BE%B7%E5%88%A9"
    title: "約翰·哈德利"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D8%AC%D9%88%D9%86_%D9%87%D8%A7%D8%AF%D9%84%D9%8A"
    title: "جون هادلي"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%AC%D9%88%D9%86_%D9%87%D8%A7%D8%AF%D9%84%D9%89"
    title: "جون هادلى"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/John_Hadley"
    title: "John Hadley"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/John_Hadley"
    title: "John Hadley"
    type:  "WIKIPEDIA"
  - url: "https://el.wikipedia.org/wiki/%CE%A4%CE%B6%CF%89%CE%BD_%CE%A7%CE%AC%CE%BD%CF%84%CE%BB%CE%B5%CF%8B"
    title: "Τζων Χάντλεϋ"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/John_Hadley"
    title: "John Hadley"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/John_Hadley"
    title: "John Hadley"
    type:  "WIKIPEDIA"
  - url: "https://fi.wikipedia.org/wiki/John_Hadley"
    title: "John Hadley"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/John_Hadley"
    title: "John Hadley"
    type:  "WIKIPEDIA"
  - url: "https://gl.wikipedia.org/wiki/John_Hadley"
    title: "John Hadley"
    type:  "WIKIPEDIA"
  - url: "https://hu.wikipedia.org/wiki/John_Hadley"
    title: "John Hadley"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/John_Hadley"
    title: "John Hadley"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%82%B8%E3%83%A7%E3%83%B3%E3%83%BB%E3%83%8F%E3%83%89%E3%83%AA%E3%83%BC"
    title: "ジョン・ハドリー"
    type:  "WIKIPEDIA"
  - url: "https://ka.wikipedia.org/wiki/%E1%83%AF%E1%83%9D%E1%83%9C_%E1%83%B0%E1%83%90%E1%83%93%E1%83%9A%E1%83%98"
    title: "ჯონ ჰადლი"
    type:  "WIKIPEDIA"
  - url: "https://lb.wikipedia.org/wiki/John_Hadley"
    title: "John Hadley"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/John_Hadley"
    title: "John Hadley"
    type:  "WIKIPEDIA"
  - url: "https://no.wikipedia.org/wiki/John_Hadley"
    title: "John Hadley"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/John_Hadley"
    title: "John Hadley"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%A5%D1%8D%D0%B4%D0%BB%D0%B8%2C_%D0%94%D0%B6%D0%BE%D0%BD"
    title: "Хэдли, Джон"
    type:  "WIKIPEDIA"
  - url: "https://sv.wikipedia.org/wiki/John_Hadley"
    title: "John Hadley"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q445128"
    title: "Wikidata"
    type:  "WIKIDATA"

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