# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/zhao-youqin
# Generated: 2026-08-14T15:55:33.344Z

schema: https://schema.org/Person
url: "https://fame.am/person/zhao-youqin"
name: "Zhao Youqin"
slug: "zhao-youqin"
description: "Zhao Youqin was a Chinese mathematician, astronomer, alchemist, and Taoist monk. He is most well known for his book Ge xiang xin shu (革象新书), translated either as New Elucidation of the Heavenly Bodies or New Writing on the Image of Alteration, wherein he described a new method to calculate pi."
tagline: "Yuan dynasty astronomer-mathematician"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/01_Pi-N%C3%A4herung_Zhao_Youqin-16384-Eck.svg?width=1200"
gender: "male"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1271-07-26"
deathDate: "1335"
livingStatus: "DECEASED"
scores:
  popularity:           37.74
  momentum:             0
  historical:           6.537869333333334
  currentAttention:     0
  sourceConfidence:     39.99999999999999
  profileCompleteness:  60
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://zh.wikipedia.org/wiki/%E8%B5%B5%E5%8F%8B%E9%92%A6"
    title: "赵友钦"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Zhao_Youqin"
    title: "Zhao Youqin"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Zhao_Youqin"
    title: "Zhao Youqin"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Zhao_Youqin"
    title: "Zhao Youqin"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Zhao_Youqin"
    title: "Zhao Youqin"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%A7%D0%B6%D0%B0%D0%BE_%D0%AE%D1%86%D0%B8%D0%BD%D1%8C"
    title: "Чжао Юцинь"
    type:  "WIKIPEDIA"
  - url: "https://uk.wikipedia.org/wiki/%D0%A7%D0%B6%D0%B0%D0%BE_%D0%AE%D1%86%D1%96%D0%BD%D1%8C"
    title: "Чжао Юцінь"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q17040371"
    title: "Wikidata"
    type:  "WIKIDATA"

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