# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/sydney-chapman
# Generated: 2026-08-13T14:08:25.727Z

schema: https://schema.org/Person
url: "https://fame.am/person/sydney-chapman"
name: "Sydney Chapman"
slug: "sydney-chapman"
description: "Sydney Chapman was a British mathematician and geophysicist. His work on the kinetic theory of gases, solar-terrestrial physics, and the Earth's ozone layer has inspired a broad range of research over many decades."
tagline: "British mathematician and geophysicist (1888–1970)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Sydney_Chapman.jpg?width=1200"
gender: "male"
country:
  name: "United Kingdom"
  isoCode: "GB"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1888-01-29"
deathDate: "1970-06-16"
livingStatus: "DECEASED"
scores:
  popularity:           50.65
  momentum:             0.4211793020457281
  historical:           20.16450933333333
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  70
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://sv.wikipedia.org/wiki/Sydney_Chapman_(matematiker)"
    title: "Sydney Chapman (matematiker)"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D8%B3%D9%8A%D8%AF%D9%86%D9%8A_%D8%AA%D8%B4%D8%A7%D8%A8%D9%85%D8%A7%D9%86_(%D8%B1%D9%8A%D8%A7%D8%B6%D9%8A%D8%A7%D8%AA%D9%8A)"
    title: "سيدني تشابمان (رياضياتي)"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%B3%D9%8A%D8%AF%D9%86%D9%89_%D8%AA%D8%B4%D8%A7%D8%A8%D9%85%D8%A7%D9%86"
    title: "سيدنى تشابمان"
    type:  "WIKIPEDIA"
  - url: "https://azb.wikipedia.org/wiki/%D8%B3%DB%8C%D8%AF%D9%86%DB%8C_%DA%86%D9%BE%D9%85%D9%86_(%D8%B1%DB%8C%D8%A7%D8%B6%DB%8C%D8%A7%D8%AA%DA%86%DB%8C)"
    title: "سیدنی چپمن (ریاضیاتچی)"
    type:  "WIKIPEDIA"
  - url: "https://bg.wikipedia.org/wiki/%D0%A1%D0%B8%D0%B4%D0%BD%D0%B8_%D0%A7%D0%B0%D0%BF%D0%BC%D0%B0%D0%BD"
    title: "Сидни Чапман"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Sydney_Chapman"
    title: "Sydney Chapman"
    type:  "WIKIPEDIA"
  - url: "https://da.wikipedia.org/wiki/Sydney_Chapman_(matematiker)"
    title: "Sydney Chapman (matematiker)"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Sydney_Chapman"
    title: "Sydney Chapman"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Sydney_Chapman_(mathematician)"
    title: "Sydney Chapman (mathematician)"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Sydney_Chapman"
    title: "Sydney Chapman"
    type:  "WIKIPEDIA"
  - url: "https://fa.wikipedia.org/wiki/%D8%B3%DB%8C%D8%AF%D9%86%DB%8C_%DA%86%D9%BE%D9%85%D9%86_(%D8%B1%DB%8C%D8%A7%D8%B6%DB%8C%D8%AF%D8%A7%D9%86)"
    title: "سیدنی چپمن (ریاضیدان)"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Sydney_Chapman_(1888-1970)"
    title: "Sydney Chapman (1888-1970)"
    type:  "WIKIPEDIA"
  - url: "https://hr.wikipedia.org/wiki/Sydney_Chapman"
    title: "Sydney Chapman"
    type:  "WIKIPEDIA"
  - url: "https://ht.wikipedia.org/wiki/Sydney_Chapman"
    title: "Sydney Chapman"
    type:  "WIKIPEDIA"
  - url: "https://hu.wikipedia.org/wiki/Sydney_Chapman"
    title: "Sydney Chapman"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Sydney_Chapman"
    title: "Sydney Chapman"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%82%B7%E3%83%89%E3%83%8B%E3%83%BC%E3%83%BB%E3%83%81%E3%83%A3%E3%83%83%E3%83%97%E3%83%9E%E3%83%B3"
    title: "シドニー・チャップマン"
    type:  "WIKIPEDIA"
  - url: "https://ko.wikipedia.org/wiki/%EC%8B%9C%EB%93%9C%EB%8B%88_%EC%B1%84%ED%94%84%EB%A8%BC"
    title: "시드니 채프먼"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/Sydney_Chapman"
    title: "Sydney Chapman"
    type:  "WIKIPEDIA"
  - url: "https://nn.wikipedia.org/wiki/Sydney_Chapman"
    title: "Sydney Chapman"
    type:  "WIKIPEDIA"
  - url: "https://no.wikipedia.org/wiki/Sydney_Chapman"
    title: "Sydney Chapman"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Sydney_Chapman"
    title: "Sydney Chapman"
    type:  "WIKIPEDIA"
  - url: "https://ro.wikipedia.org/wiki/Sydney_Chapman_(matematician)"
    title: "Sydney Chapman (matematician)"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%A7%D0%B5%D0%BF%D0%BC%D0%B5%D0%BD%2C_%D0%A1%D0%B8%D0%B4%D0%BD%D0%B8"
    title: "Чепмен, Сидни"
    type:  "WIKIPEDIA"
  - url: "https://sl.wikipedia.org/wiki/Sydney_Chapman_(matematik)"
    title: "Sydney Chapman (matematik)"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q711256"
    title: "Wikidata"
    type:  "WIKIDATA"

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