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Joseph-Louis Lagrange vs William James Sidis

Who Was the Greater Genius? A Complete Comparison

Joseph-Louis Lagrange
IQ190
Born1736
Died1813
OriginTurin, Piedmont-Sardinia
Known ForAnalytical mechanics, celestial mechanics, mathematical analysis, number theory,
VS
William James Sidis
IQ250
Born1898
Died1944
OriginManhattan, New York City, U.S.
Known ForThe Animate And The Inanimate

About Joseph-Louis Lagrange

Italian-French mathematician and astronomer

Read full biography of Joseph-Louis Lagrange → · In-Depth Article →

About William James Sidis

American child prodigy

Read full biography of William James Sidis → · In-Depth Article →

The Verdict

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

Frequently Asked Questions

Who had a higher IQ — Joseph-Louis Lagrange or William James Sidis?

Joseph-Louis Lagrange had an estimated IQ of 190 while William James Sidis had an estimated IQ of 250.

What is each genius known for?

Joseph-Louis Lagrange is known for: Analytical mechanics, celestial mechanics, mathematical analysis, number theory, theory of equations. William James Sidis is known for: The Animate And The Inanimate.

Are both considered geniuses?

Yes. Both Joseph-Louis Lagrange and William James Sidis are universally regarded as among history's greatest intellects.

Full Profile: Joseph-Louis LagrangeFull Profile: William James Sidis

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