# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/johann-gottfried-galle
# Generated: 2026-09-02T06:08:45.639Z

schema: https://schema.org/Person
url: "https://fame.am/person/johann-gottfried-galle"
name: "Johann Gottfried Galle"
slug: "johann-gottfried-galle"
description: "He turned a telescope to the exact coordinates in a letter and found a planet no one had seen before — the night the mail arrived."
tagline: "German astronomer (1812-1910)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/JohannGalle.jpg"
gender: "male"
country:
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  isoCode: "DE"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
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  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1812-06-09"
deathDate: "1910-07-10"
livingStatus: "DECEASED"
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  momentum:             4.374999999999999
  historical:           22.09414
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  profileCompleteness:  70
  trendDirection:       "STABLE"
ranks:
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  - name: "Astronomy"
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  - name: "19th Century"
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# bio (long form, separated for readability)
bio: |
  Johann Gottfried Galle was a German astronomer working at the Berlin Observatory when, on 23 September 1846, he received coordinates from Urbain Le Verrier predicting the position of an unknown planet. With the help of student Heinrich Louis d'Arrest, Galle pointed his telescope at the spot that same night and identified Neptune within 1° of where Le Verrier said it would be. The discovery stood as a dramatic validation of celestial mechanics — mathematics had conjured a world into view. Born in Radis, Germany, on 9 June 1812, Galle lived to see the 20th century, dying on 10 July 1910, six decades after the most remarkable moment of his career.