# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/ralph-j-cicerone
# Generated: 2026-08-14T10:31:52.624Z

schema: https://schema.org/Person
url: "https://fame.am/person/ralph-j-cicerone"
name: "Ralph J. Cicerone"
slug: "ralph-j-cicerone"
description: "Ralph John Cicerone was an American atmospheric scientist and administrator. From 1998 to 2005, he was the chancellor of the University of California, Irvine. From 2005 to 2016, he was the president of the National Academy of Sciences (NAS). He was a \"renowned authority\" on climate change and atmospheric chemistry, and issued an early warning about the grave potential risks of climate change."
tagline: "American academic administrator (1943-2016)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Ralph_Cicerone_NAS_2013.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: "1943-05-02"
deathDate: "2016-11-05"
livingStatus: "DECEASED"
scores:
  popularity:           39.14
  momentum:             0
  historical:           6.540497333333334
  currentAttention:     0
  sourceConfidence:     39.99999999999999
  profileCompleteness:  70
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://zh.wikipedia.org/wiki/%E6%8B%89%E5%A4%AB%C2%B7J%C2%B7%E5%B8%8C%E7%91%9F%E9%BE%99"
    title: "拉夫·J·希瑟龙"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%B1%D8%A7%D9%84%D9%81_%D8%AC%D9%8A%D9%87_%D8%B4%D9%8A%D8%B4%D8%B1%D9%88%D9%86"
    title: "رالف جيه شيشرون"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Ralph_J._Cicerone"
    title: "Ralph J. Cicerone"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Ralph_Cicerone"
    title: "Ralph Cicerone"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Ralph_J._Cicerone"
    title: "Ralph J. Cicerone"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Ralph_Cicerone"
    title: "Ralph Cicerone"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%A6%D0%B8%D1%86%D0%B5%D1%80%D0%BE%D0%BD%2C_%D0%A0%D0%B0%D0%BB%D1%8C%D1%84"
    title: "Цицерон, Ральф"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q504210"
    title: "Wikidata"
    type:  "WIKIDATA"

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