# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/john-fillmore-hayford
# Generated: 2026-08-15T00:19:34.489Z

schema: https://schema.org/Person
url: "https://fame.am/person/john-fillmore-hayford"
name: "John Fillmore Hayford"
slug: "john-fillmore-hayford"
description: "John Fillmore Hayford was an eminent United States geodesist. His work involved the study of isostasy and the construction of a reference ellipsoid for approximating the figure of the Earth. Hayford was elected to the United States National Academy of Sciences in 1911 and the American Philosophical Society in 1915. The crater Hayford on the far side of the Moon is named after him. Mount Hayford, a 1,871 m mountain peak near Metlakatla, Alaska, United States, is named after him. A biography of Hayford may be found in the Biographical Memoirs of the National Academy of Sciences, 16 (5), 1935."
tagline: "American geodesist (1868-1925)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/John_Fillmore_Hayford.JPG?width=1200"
gender: "male"
country:
  name: "United States"
  isoCode: "US"
birthDate: "1868-05-19"
deathDate: "1925-03-10"
livingStatus: "DECEASED"
scores:
  popularity:           42.18
  momentum:             5.714285714285714
  historical:           10.47116666666667
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  50
  trendDirection:       "RISING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://sv.wikipedia.org/wiki/John_Fillmore_Hayford"
    title: "John Fillmore Hayford"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%AC%D9%88%D9%86_%D9%81%D9%8A%D9%84%D9%85%D9%88%D8%B1_%D9%87%D8%A7%D9%8A%D9%81%D9%88%D8%B1%D8%AF"
    title: "جون فيلمور هايفورد"
    type:  "WIKIPEDIA"
  - url: "https://cs.wikipedia.org/wiki/John_Fillmore_Hayford"
    title: "John Fillmore Hayford"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/John_Fillmore_Hayford"
    title: "John Fillmore Hayford"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/John_Fillmore_Hayford"
    title: "John Fillmore Hayford"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/John_Fillmore_Hayford"
    title: "John Fillmore Hayford"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/John_Fillmore_Hayford"
    title: "John Fillmore Hayford"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/John_Fillmore_Hayford"
    title: "John Fillmore Hayford"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%82%B8%E3%83%A7%E3%83%B3%E3%83%BB%E3%83%95%E3%82%A3%E3%83%AB%E3%83%A2%E3%82%A2%E3%83%BB%E3%83%98%E3%82%A4%E3%83%95%E3%82%A9%E3%83%BC%E3%83%89"
    title: "ジョン・フィルモア・ヘイフォード"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/John_Fillmore_Hayford"
    title: "John Fillmore Hayford"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%A5%D0%B5%D0%B9%D1%84%D0%BE%D1%80%D0%B4%2C_%D0%94%D0%B6%D0%BE%D0%BD_%D0%A4%D0%B8%D0%BB%D0%BB%D0%BC%D0%BE%D1%80"
    title: "Хейфорд, Джон Филлмор"
    type:  "WIKIPEDIA"
  - url: "https://sl.wikipedia.org/wiki/John_Fillmore_Hayford"
    title: "John Fillmore Hayford"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q531272"
    title: "Wikidata"
    type:  "WIKIDATA"

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