Who Was the Greater Genius? A Complete Comparison
Italian-French mathematician and astronomer
Read full biography of Joseph-Louis Lagrange → · In-Depth Article →
American child prodigy
Twenty questions, eight minutes on the clock, and a percentile measured against everyone who has taken it. No sign-up.
Take the IQ test →Read full biography of William James Sidis → · In-Depth Article →
Based on estimated IQ scores, William James Sidis (IQ 250) ranks higher than Joseph-Louis Lagrange (IQ 190). However, both made extraordinary contributions.
Joseph-Louis Lagrange had an estimated IQ of 190 while William James Sidis had an estimated IQ of 250.
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.
Yes. Both Joseph-Louis Lagrange and William James Sidis are universally regarded as among history's greatest intellects.
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