The 11 smartest people in the world: About William James Sidis

William James Sidis, considered the smartest man alive, is believed to have an IQ of between 250 and 300.

The Smartest Man in America? - luckbox magazine

The Sad Tale of William James Sidis - The Smartest Man Who Ever Lived

Bookride: The most intelligent man in the world

William James Sidis: The smartest man of all time Delve into the extra

12 People With The Highest IQ Ever Recorded

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

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

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William James Sidis: Smartest Man Alive to Social Reject

Who is William James Sidis? - Quora

Is William James Sidis the smartest human? - Quora

The Rise and Fall of William J. Sidis • Damn Interesting