Who Was the Greater Genius? A Complete Comparison
An Irish businessman & information technologist
Read full biography of Walter O'Brien (Obrien) → · 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 Walter O'Brien (Obrien) (IQ 197). However, both made extraordinary contributions.
Walter O'Brien (Obrien) had an estimated IQ of 197 while William James Sidis had an estimated IQ of 250.
Walter O'Brien (Obrien) is known for: Inspiration of the television series Scorpion. William James Sidis is known for: The Animate And The Inanimate.
Yes. Both Walter O'Brien (Obrien) and William James Sidis are universally regarded as among history's greatest intellects.
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