James Watt vs Thomas Edison

Who Was the Greater Genius? A Complete Comparison

James Watt
IQ165
Born1736
Died1819
OriginGreenock, Renfrewshire, Scotland, Great Britain
Known ForWatt steam engine
VS
Thomas Edison
IQ185
Born1847
Died1931
OriginMilan, Ohio, U.S.
Known ForThe phonograph, the motion picture camera, and early versions of the electric li

About James Watt

A Scottish inventor, mechanical engineer, and chemist who created the Watt steam engine in 1776

Read full biography of James Watt → · In-Depth Article →

About Thomas Edison

An American inventor and businessman who has been described as America's greatest inventor.

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The Verdict

Based on estimated IQ scores, Thomas Edison (IQ 185) ranks higher than James Watt (IQ 165). However, both made extraordinary contributions.

Frequently Asked Questions

Who had a higher IQ — James Watt or Thomas Edison?

James Watt had an estimated IQ of 165 while Thomas Edison had an estimated IQ of 185.

What is each genius known for?

James Watt is known for: Watt steam engine . Thomas Edison is known for: The phonograph, the motion picture camera, and early versions of the electric light bulb.

Are both considered geniuses?

Yes. Both James Watt and Thomas Edison are universally regarded as among history's greatest intellects.

Full Profile: James WattFull Profile: Thomas Edison

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