Who Was the Greater Genius? A Complete Comparison
French mathematician, physicist, engineer, and philosopher of science who made fundamental contributions to pure and applied mathematics, mathematical physics, and celestial mechanics.
Read full biography of Henri Poincaré → · 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 Henri Poincaré (IQ 190). However, both made extraordinary contributions.
Henri Poincaré had an estimated IQ of 190 while William James Sidis had an estimated IQ of 250.
Henri Poincaré is known for: Poincaré conjecture . William James Sidis is known for: The Animate And The Inanimate.
Yes. Both Henri Poincaré and William James Sidis are universally regarded as among history's greatest intellects.
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