Philosophers and social scientists
Notable peoplePoliticians and leadersScientists, inventors, and mathematiciansWriters and journalistsReligious figuresRevolutionaries and activistsPhilosophers and social scientistsWritersScientists, inventors and mathematiciansMusicians and composersPhilosophers, historians, political and social scientistsVisual artistsSports figuresMilitary leaders and theoristsRebels, revolutionaries and activistsEntertainersLeaders and politiciansExplorersDirectors, producers and screenwritersBusinesspeopleScientists and inventorsMathematiciansJournalistsArtistsMusiciansCriminalsFilmmakers
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- Ian KershawEnglish historian (born 1943)
- Ibn KhaldunArab Islamic scholar, historian and philosopher (1332–1406)
- Ibn Khaldun (horse)Ibn Khaldun (foaled 14 February 2005) was an American-bred Thoroughbred racehorse bred and
- Ibram X. KendiAmerican academic (born 1982)
- Ilan PappéIsraeli-British historian (born 1954)
- Immanuel KantGerman philosopher (1724–1804)
- Ina CaroIna Caro is an American author, medieval historian and travel writer. She is the author of
- Inca Garcilaso de la VegaWriter, soldier, Spanish noble of Inca descent
- InnatismBelief that the human mind is born with knowledge
- Institutes of the Lawes of EnglandThe Institutes of the Lawes of England are a series of legal treatises written by Sir Edwa
- Ira KatznelsonIra I. Katznelson (born 1944) is an American political scientist and historian, noted for
- Irenäus Eibl-EibesfeldtAustrian ethnologist in the field of human ethology (1928–2018)
- Irene HeimAmerican linguist (born 1954)
- Irving Kristol AwardThe Irving Kristol Award is the highest honor conferred by the American Enterprise Institu
- Isaac BeeckmanDutch philosopher and scientist (1588–1637)
- Isaac CasaubonEuropean classical scholar and philologist (1559–1614)
- Isabel Briggs MyersAmerican writer (1897–1980)
- Isawa ShūjiJapanese educator and bureaucrat
- Isis (ship)The Roman ship Isis was a very large ship that operated on the Mediterranean during the Ro
- Islam and the Future of ToleranceIslam and the Future of Tolerance: A Dialogue is a 2015 book collaboration between America
- Ismail al-FaruqiPalestinian-American Islamic scholar (1921–1986)
- Ivy LeeAmerican publicist (1877–1934)