William James Sidis: the Tragic Story of the Smartest Person Ever Lived - Learning Mind

William James Sidis was a mathematical genius with an IQ of 250. But William never made a success of his incredible intellect. He died, penniless recluse

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History of William James Sidis The most intelligent man on earth

Is William James Sidis the smartest human? - Quora

The life story of the most intelligent man in the world whose IQ was 300! - Free press

The Prodigy: A Biography of William James by Wallace, Amy

You Actually Use All of Your Brain, Not 10%

The Story of the Smartest Man Who Ever Lived and Why You Haven't Heard of Him / Bright Side

Do you think that somebody can become as smart as William James Sidis? - Quora

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20 Amazing Polyglots in History That Most People Didn't Know About

The Prodigy: A Biography of William James Sidis, America's Greatest Child Prodigy (Audible Audio Edition): Amy Wallace, Aze Fellner, Crossroad Press: Books

Besides Einstein, Who do you feel is the smartest person to have ever lived? - Quora

Who is the smartest person in the world? - Quora

The Highest IQs Ever: Meet 27 Of The World's Smartest People