# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/friedrich-von-hahn
# Generated: 2026-08-15T05:36:42.977Z

schema: https://schema.org/Person
url: "https://fame.am/person/friedrich-von-hahn"
name: "Friedrich von Hahn"
slug: "friedrich-von-hahn"
description: "Friedrich II. Graf von Hahn was a German nobleman, a philosopher and astronomer born in Neuhaus, Duchy of Holstein, Holy Roman Empire. He suggested the Doppler effect before Doppler."
tagline: "German astronomer"
image: "https://upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Remplin_observatory.jpg/330px-Remplin_observatory.jpg"
gender: "male"
country:
  name: "Germany"
  isoCode: "DE"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1742-07-27"
deathDate: "1805-10-09"
livingStatus: "DECEASED"
scores:
  popularity:           39.29
  momentum:             0
  historical:           8.072498666666666
  currentAttention:     0
  sourceConfidence:     50.00000000000001
  profileCompleteness:  70
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://zh.wikipedia.org/wiki/%E5%BC%97%E9%87%8C%E5%BE%B7%E9%87%8C%E5%B8%8C%C2%B7%E9%A6%AE%C2%B7%E5%93%88%E6%81%A9"
    title: "弗里德里希·馮·哈恩"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D9%81%D8%B1%D9%8A%D8%AF%D8%B1%D9%8A%D9%83_%D9%81%D9%88%D9%86_%D9%87%D8%A7%D9%86"
    title: "فريدريك فون هان"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%81%D8%B1%D9%8A%D8%AF%D8%B1%D9%8A%D8%B4_%D9%81%D9%88%D9%86_%D9%87%D8%A7%D9%86"
    title: "فريدريش فون هان"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Friedrich_von_Hahn_(Astronom)"
    title: "Friedrich von Hahn (Astronom)"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Friedrich_von_Hahn"
    title: "Friedrich von Hahn"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Friedrich_von_Hahn"
    title: "Friedrich von Hahn"
    type:  "WIKIPEDIA"
  - url: "https://fi.wikipedia.org/wiki/Friedrich_von_Hahn"
    title: "Friedrich von Hahn"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%93%D0%B0%D0%BD%2C_%D0%A4%D1%80%D0%B8%D0%B4%D1%80%D0%B8%D1%85_(%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%BD%D0%BE%D0%BC)"
    title: "Ган, Фридрих (астроном)"
    type:  "WIKIPEDIA"
  - url: "https://sv.wikipedia.org/wiki/Friedrich_von_Hahn"
    title: "Friedrich von Hahn"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q118014"
    title: "Wikidata"
    type:  "WIKIDATA"

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