In our book Genius Intelligence we devote a chapter to polymaths and high-IQ individuals, reminding readers there are many whose IQ is higher than Albert Einstein’s. American author Marilyn Vos Savant, for example, has an IQ of 192; Russian chess grandmaster and former world champion Garry Kasparov has an IQ of 194. Incidentally, Einstein’s IQ was estimated to be between 160 and 190.
Keeping in mind the average IQ is 100 and approximately 50% of those tested score between 90 and 110, quite a few individuals have tested in excess of a 200 IQ score, including South Korean civil engineer Kim Ung-yong (210), former child prodigy and NASA employee Christopher Hirata (225) and Australian mathematician Terence Tao (225-230).
And last but not least is American child prodigy, mathematician and politician William James Sidis who had an IQ of 250-300. He graduated grammar school at age six, went to Harvard University at age 11 and graduated cum laude at the age of 16. Sidis, who died in 1944, could fluently speak 40 languages by the time he reached adulthood.
According to one reliable source the top five countries in terms of average IQ’s of their citizens are Hong Kong (107), South Korea (106), Japan (105), Taiwan (104) and Singapore (103). Further down the list, China, New Zealand and the UK share equal 12th position with a 100 average, while the US is in 19th position with an average citizen IQ of 98.
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GENIUS INTELLIGENCE: Secret Techniques and Technologies to Increase IQ is available via Amazon as a paperback and Kindle ebook. https://www.amazon.com/gp/product/B00QXQQWXO/
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