Voltaire vs William James Sidis

Who Was the Greater Genius? A Complete Comparison

Voltaire
IQ190
Born1694
Died1778
OriginParis, Kingdom of France
Known ForThe novel Candide
VS
William James Sidis
IQ250
Born1898
Died1944
OriginManhattan, New York City, U.S.
Known ForThe Animate And The Inanimate

About Voltaire

French writer, historian & philosopher who wrote more than 20,000 letters and 2,000 books and pamphlets.

Read full biography of Voltaire → · In-Depth Article →

About William James Sidis

American child prodigy

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The Verdict

Based on estimated IQ scores, William James Sidis (IQ 250) ranks higher than Voltaire (IQ 190). However, both made extraordinary contributions.

Frequently Asked Questions

Who had a higher IQ — Voltaire or William James Sidis?

Voltaire had an estimated IQ of 190 while William James Sidis had an estimated IQ of 250.

What is each genius known for?

Voltaire is known for: The novel Candide. William James Sidis is known for: The Animate And The Inanimate.

Are both considered geniuses?

Yes. Both Voltaire and William James Sidis are universally regarded as among history's greatest intellects.

Full Profile: VoltaireFull Profile: William James Sidis

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