# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/william-jaco
# Generated: 2026-08-13T13:18:48.438Z

schema: https://schema.org/Person
url: "https://fame.am/person/william-jaco"
name: "William Jaco"
slug: "william-jaco"
description: "William Howard Jaco is an American mathematician who is known for his role in the Jaco–Shalen–Johannson decomposition theorem and efficient triangulations of 3-manifolds. He retired from Oklahoma State University in 2021 as Regents Professor Emeritus and was appointed adjunct professor at Rice University in 2021."
tagline: "American mathematician"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/William_Jaco.jpg?width=1200"
gender: "male"
country:
  name: "United States"
  isoCode: "US"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1940-07-14"
livingStatus: "LIVING"
scores:
  popularity:           35.93
  momentum:             0
  historical:           5.269762666666667
  currentAttention:     0
  sourceConfidence:     35
  profileCompleteness:  70
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://de.wikipedia.org/wiki/William_Jaco"
    title: "William Jaco"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%88%D9%8A%D9%84%D9%8A%D8%A7%D9%85_%DA%86%D8%A7%D9%83%D9%88"
    title: "ويليام چاكو"
    type:  "WIKIPEDIA"
  - url: "https://azb.wikipedia.org/wiki/%D9%88%DB%8C%D9%84%DB%8C%D8%A7%D9%85_%D8%AC%D8%A7%DA%A9%D9%88"
    title: "ویلیام جاکو"
    type:  "WIKIPEDIA"
  - url: "https://ht.wikipedia.org/wiki/William_Jaco"
    title: "William Jaco"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/William_Jaco"
    title: "William Jaco"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/William_Jaco"
    title: "William Jaco"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q5308032"
    title: "Wikidata"
    type:  "WIKIDATA"

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