William James Sidis: The Man Who Spoke 25 Languages - History of Yesterday

And even created his own language

Was William J. Sidis one of the Kybalion's initiates? A travel trough the concept of One

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

What Happened to Child Prodigy - ™

Happy Birthday William James Sidis, child prodigy and genius born April 1, 1898. (William James the philosopher was his godfather and namesake). Sidis shunned academia, fame and the press which had antagonized

Why did the most intelligent man in the world (William James Sidis) leave nothing relevant in the World of Mathematics or other disciplines? - Quora

William James - Wikipedia

William James Sidis: The Man Who Spoke 25 Languages - History of Yesterday

Bio of William Sidis

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

Bio of William Sidis

Who Has The Highest IQ - Discover Our Limitless Nature - memoryOS

Who Was William James Sidis, The Smartest Person In The World?

Bio of William Sidis