Free PDF: The Genius Workout — 50 brain teasers + the 25 highest IQs in history.

Walter O'Brien (Obrien) vs William James Sidis

Who Was the Greater Genius? A Complete Comparison

Walter O'Brien (Obrien)
IQ197
Born1975
OriginCounty Wexford, Ireland
Known ForInspiration of the television series Scorpion
VS
William James Sidis
IQ250
Born1898
Died1944
OriginManhattan, New York City, U.S.
Known ForThe Animate And The Inanimate

About Walter O'Brien (Obrien)

An Irish businessman & information technologist

Ler a biografia completa de Walter O'Brien (Obrien) → · In-Depth Article →

About William James Sidis

American child prodigy

Ler a biografia completa de William James Sidis → · In-Depth Article →

The Verdict

Based on estimated IQ scores, William James Sidis (IQ 250) ranks higher than Walter O'Brien (Obrien) (IQ 197). However, both made extraordinary contributions.

Perguntas Frequentes

Who had a higher IQ — Walter O'Brien (Obrien) or William James Sidis?

Walter O'Brien (Obrien) had an estimated IQ of 197 while William James Sidis had an estimated IQ of 250.

What is each genius known for?

Walter O'Brien (Obrien) is known for: Inspiration of the television series Scorpion. William James Sidis is known for: The Animate And The Inanimate.

Are both considered geniuses?

Yes. Both Walter O'Brien (Obrien) and William James Sidis are universally regarded as among history's greatest intellects.

Full Profile: Walter O'Brien (Obrien)Full Profile: William James Sidis

← Browse all genius comparisons | IQ Rankings