Marcus Aurelius vs William James Sidis

Who Was the Greater Genius? A Complete Comparison

Marcus Aurelius
IQ180
Born121
Died0180
OriginRome, Italy
VS
William James Sidis
IQ250
Born1898
Died1944
OriginManhattan, New York City, U.S.
Known ForThe Animate And The Inanimate

About Marcus Aurelius

Was the last of the rulers known as the Five Good Emperors

Read full biography of Marcus Aurelius → · 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 Marcus Aurelius (IQ 180). However, both made extraordinary contributions.

Frequently Asked Questions

Who had a higher IQ — Marcus Aurelius or William James Sidis?

Marcus Aurelius had an estimated IQ of 180 while William James Sidis had an estimated IQ of 250.

What is each genius known for?

Marcus Aurelius is known for: See full biography. William James Sidis is known for: The Animate And The Inanimate.

Are both considered geniuses?

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

Full Profile: Marcus AureliusFull Profile: William James Sidis

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