IQ Facts and Figures

  • Experts have been able to compile a list of causes of mental retardation (from "mild" at IQs between 50 and 70 to "profound" at 20 or below) but are still largely uncertain about specific causes of genius.
  • Research has shown that US children gain about 3.5 IQ points during each year they are in school.

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    Albrecht Haller
    Albrecht Haller
    IQ Score 190
    Stephen Hawking
    Stephen Hawking
    IQ Score 160
    Joseph Haydn
    Joseph Haydn
    IQ Score 160
    Friedrich Hegel
    Friedrich Hegel
    IQ Score 165
    George Friedrich Handel
    George Friedrich Handel
    IQ Score 170
    Judy Holliday
    Judy Holliday
    IQ Score 172
    David Hume
    David Hume
    IQ Score 180
    Hypatia
    Hypatia
    IQ Score 170
    Andrew Jackson
    Andrew Jackson
    IQ Score 123

    Reggie Jackson
    Reggie Jackson
    IQ Score 160
    Thomas Jefferson
    Thomas Jefferson
    IQ Score 160
    Lyndon B. Johnson
    Lyndon B. Johnson
    IQ Score 126
    Garry Kasparov
    Garry Kasparov
    IQ Score 190
    John F. Kennedy
    John F. Kennedy
    IQ Score 119
    Nicole Kidman
    Nicole Kidman
    IQ Score 132
    Sofia Kovalevskaya
    Sofia Kovalevskaya
    IQ Score 170
    Chris Langan
    Chris Langan
    IQ Score 195
    Joseph Lagrange
    Joseph Lagrange
    IQ Score 185
    Gottfried Leibniz
    Gottfried Leibniz
    IQ Score 205
    Pierre Laplace
    Pierre Laplace
    IQ Score 190
    Carl Linne
    Carl Linne
    IQ Score 165
    Dr. David Livingstone
    Dr. David Livingstone
    IQ Score 170
    Dolph Lundgren
    Dolph Lundgren
    IQ Score 160
    Martin Luther
    Martin Luther
    IQ Score 170

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