Who Was the Greater Genius? A Complete Comparison
A Swiss mathematician, physicist, astronomer, geographer, logician and engineer who founded the study of graph theory and topology
Read full biography of Leonhard Euler → · 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 Leonhard Euler (IQ 190). However, both made extraordinary contributions.
Leonhard Euler had an estimated IQ of 190 while William James Sidis had an estimated IQ of 250.
Leonhard Euler is known for: See full list. William James Sidis is known for: The Animate And The Inanimate.
Yes. Both Leonhard Euler and William James Sidis are universally regarded as among history's greatest intellects.
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