# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/esko-valtaoja
# Generated: 2026-08-14T00:14:02.126Z

schema: https://schema.org/Person
url: "https://fame.am/person/esko-valtaoja"
name: "Esko Valtaoja"
slug: "esko-valtaoja"
description: "Esko Jorma Johannes Valtaoja is a Finnish professional astronomer and writer. Valtaoja worked as a professor at the University of Turku where he studied quasars. Valtaoja retired in 2015 after holding a popular farewell lecture, that was also televised by Finnish national public broadcaster YLE."
tagline: "Finnish astronomer"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Esko_Valtaoja_Akateeminen_kirjakauppa_(2020)_02.jpg?width=1200"
gender: "male"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1951-06-20"
livingStatus: "LIVING"
scores:
  popularity:           40.37
  momentum:             4.183673469387755
  historical:           7.271670666666666
  currentAttention:     0
  sourceConfidence:     50.00000000000001
  profileCompleteness:  60
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://fi.wikiquote.org/wiki/Esko_Valtaoja"
    title: "Wikiquote"
    type:  "WEBSITE"
  - url: "https://arz.wikipedia.org/wiki/%D8%A7%D8%B3%D9%83%D9%88_%DA%A4%D8%A7%D9%84%D8%AA%D8%A7%D9%88%DA%86%D8%A7"
    title: "اسكو ڤالتاوچا"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Esko_Valtaoja"
    title: "Esko Valtaoja"
    type:  "WIKIPEDIA"
  - url: "https://eo.wikipedia.org/wiki/Esko_Valtaoja"
    title: "Esko Valtaoja"
    type:  "WIKIPEDIA"
  - url: "https://fa.wikipedia.org/wiki/%D8%A7%D8%B3%DA%A9%D9%88_%D9%88%D8%A7%D9%84%D8%AA%D8%A7%D8%A6%D9%88%DB%8C%D8%A7"
    title: "اسکو والتائویا"
    type:  "WIKIPEDIA"
  - url: "https://fi.wikipedia.org/wiki/Esko_Valtaoja"
    title: "Esko Valtaoja"
    type:  "WIKIPEDIA"
  - url: "https://la.wikipedia.org/wiki/Esko_Valtaoja"
    title: "Esko Valtaoja"
    type:  "WIKIPEDIA"
  - url: "https://sl.wikipedia.org/wiki/Esko_Valtaoja"
    title: "Esko Valtaoja"
    type:  "WIKIPEDIA"
  - url: "https://sv.wikipedia.org/wiki/Esko_Valtaoja"
    title: "Esko Valtaoja"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q5398192"
    title: "Wikidata"
    type:  "WIKIDATA"

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