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Head-to-Head Comparison

Leonhard Euler vs Voltaire

Leonhard Euler (IQ 190) vs Voltaire (IQ 190). Side-by-side comparison of intellect, achievements, era and cultural impact.

Leonhard Euler
1707–1783 · CH
190
Estimated IQ
Read full biography →
Voltaire
1694–1778 · FR
190
Estimated IQ
Read full biography →
Born17071694
Died17831778
CountryCHFR
Estimated IQ 190 190
Best known forSee full listThe novel Candide

Who had the higher IQ?

By the most cited estimates, Leonhard Euler tops this matchup with an estimated IQ of 190, a 0-point margin over Voltaire (190). IQ estimates for historical figures are reconstructions, not test results — they sit on top of biographical evidence, productivity, and the difficulty of the problems each person solved. Treat the number as a directional signal, not a verdict.

Achievements compared

Leonhard Euler is best known for: See full list Voltaire is best known for: The novel Candide

Different eras, different boards

The two were born roughly 13 years apart (1707 vs 1694), which matters: scientific tools, available knowledge, and intellectual culture compound. Comparing minds across eras is comparing players on different boards.

The verdict

So who was greater? The honest answer: they're not strictly comparable. By raw IQ proxy, Leonhard Euler edges out. By measurable, lasting influence in their respective field, both are anchors of the human record. If you have to pick one to bet civilization on, pick the one working on the problem you care about.

Frequently Asked

Who had the higher IQ, Leonhard Euler or Voltaire?
Estimated IQs are 190 for Leonhard Euler and 190 for Voltaire. They rate similarly. Historical IQ figures are reconstructions, not measured scores.
What is Leonhard Euler most famous for?
See full list
What is Voltaire most famous for?
The novel Candide
Did Leonhard Euler and Voltaire ever meet?
They were contemporaries, though there is no documented direct meeting in our sources.

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