# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/harold-jeffreys
# Generated: 2026-08-13T10:11:18.709Z

schema: https://schema.org/Person
url: "https://fame.am/person/harold-jeffreys"
name: "Harold Jeffreys"
slug: "harold-jeffreys"
description: "Sir Harold Jeffreys, FRS was a British geophysicist who made significant contributions to mathematics and statistics. His book, Theory of Probability, which was first published in 1939, played an important role in the revival of the objective Bayesian view of probability."
tagline: "British geophysicist and statistician (1891–1989)"
image: "https://upload.wikimedia.org/wikipedia/en/7/73/Harold_Jeffreys%2C_Sir.jpg"
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: "1891-04-22"
deathDate: "1989-03-18"
livingStatus: "DECEASED"
scores:
  popularity:           51.37
  momentum:             0
  historical:           21.17671333333334
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  70
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://su.wikipedia.org/wiki/Harold_Jeffreys"
    title: "Harold Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D9%87%D8%A7%D8%B1%D9%88%D9%84%D8%AF_%D8%AC%D9%8A%D9%81%D8%B1%D9%8A%D8%B2"
    title: "هارولد جيفريز"
    type:  "WIKIPEDIA"
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    title: "هارولد جيفريز"
    type:  "WIKIPEDIA"
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    title: "Harold Jeffreys"
    type:  "WIKIPEDIA"
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    title: "Harold Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Harold_Jeffreys"
    title: "Harold Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Harold_Jeffreys"
    title: "Harold Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Harold_Jeffreys"
    title: "Harold Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://eu.wikipedia.org/wiki/Harold_Jeffreys"
    title: "Harold Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://fa.wikipedia.org/wiki/%D9%87%D8%A7%D8%B1%D9%88%D9%84%D8%AF_%D8%AC%D9%81%D8%B1%DB%8C%D8%B3"
    title: "هارولد جفریس"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Harold_Jeffreys"
    title: "Harold Jeffreys"
    type:  "WIKIPEDIA"
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    title: "הרולד ג'פרי"
    type:  "WIKIPEDIA"
  - url: "https://ht.wikipedia.org/wiki/Harold_Jeffreys"
    title: "Harold Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://id.wikipedia.org/wiki/Harold_Jeffreys"
    title: "Harold Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Harold_Jeffreys"
    title: "Harold Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%83%8F%E3%83%AD%E3%83%AB%E3%83%89%E3%83%BB%E3%82%B8%E3%82%A7%E3%83%95%E3%83%AA%E3%83%BC%E3%82%BA"
    title: "ハロルド・ジェフリーズ"
    type:  "WIKIPEDIA"
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    title: "Harold Jeffreys"
    type:  "WIKIPEDIA"
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    title: "ჰეროლდ ჯეფრიზი"
    type:  "WIKIPEDIA"
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    title: "ಹೆರಾಲ್ಡ್ ಜೆಫ್ರಿಸ್"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/Harold_Jeffreys"
    title: "Harold Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://oc.wikipedia.org/wiki/Harold_Jeffreys"
    title: "Harold Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Harold_Jeffreys"
    title: "Harold Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Harold_Jeffreys"
    title: "Harold Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%94%D0%B6%D0%B5%D1%84%D1%84%D1%80%D0%B8%D1%81%2C_%D0%93%D0%B0%D1%80%D0%BE%D0%BB%D1%8C%D0%B4"
    title: "Джеффрис, Гарольд"
    type:  "WIKIPEDIA"
  - url: "https://sl.wikipedia.org/wiki/Harold_Jeffreys"
    title: "Harold Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q379999"
    title: "Wikidata"
    type:  "WIKIDATA"

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