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

DER KOSTENLOSE TEST
Wie hoch ist Ihrer?

Zwanzig Fragen, acht Minuten auf der Uhr und ein Perzentil, gemessen an allen bisherigen Teilnehmern. Ohne Anmeldung.

IQ-Test starten →

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

← Browse all genius comparisons | IQ Rankings