William James Sidis, the Man who Knew Everything - Historic Mysteries

William James Sidis is considered the smartest man who ever lived, with an IQ of 300. His theories baffle us today, but did this genius see something we don’t?

The sad story of the MOST INTELLIGENT MAN IN THE WORLD - Res Humana

William James - Wikipedia

The Psychology of Sleep, by Bolton Hall, M.A.—A Project Gutenberg

Mystery of Edwin Drood: Dickens Unfinished Book - Historic Mysteries

The sad story of the MOST INTELLIGENT MAN IN THE WORLD - Res Humana

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

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5 Habits of William Sidis — Possibly the World's Most Intelligent

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William James Sidis Is Likely the Smartest Man to Have Ever Lived