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Head-to-Head Comparison

Leo Tolstoy vs Pierre de Fermat

Leo Tolstoy (IQ 180) vs Pierre de Fermat (IQ 175). Side-by-side comparison of intellect, achievements, era and cultural impact.

Leo Tolstoy
1828–1910 · RU
180
Estimated IQ
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Pierre de Fermat
b. 1607 · FR
175
Estimated IQ
Read full biography →
Born18281607
Died1910
CountryRUFR
Estimated IQ 180 175
Best known forWar and Peace, Anna Karenina, The Death of Ivan Ilyich, The Kingdom of God Is Within You, ResurrectionFermat's Last Theorem

Who had the higher IQ?

By the most cited estimates, Leo Tolstoy tops this matchup with an estimated IQ of 180, a 5-point margin over Pierre de Fermat (175). 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

Leo Tolstoy is best known for: War and Peace, Anna Karenina, The Death of Ivan Ilyich, The Kingdom of God Is Within You, Resurrection Pierre de Fermat is best known for: Fermat's Last Theorem

Different eras, different boards

The two were born roughly 221 years apart (1828 vs 1607), 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, Leo Tolstoy 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, Leo Tolstoy or Pierre de Fermat?
Estimated IQs are 180 for Leo Tolstoy and 175 for Pierre de Fermat. Leo Tolstoy rates higher by 5 points. Historical IQ figures are reconstructions, not measured scores.
What is Leo Tolstoy most famous for?
War and Peace, Anna Karenina, The Death of Ivan Ilyich, The Kingdom of God Is Within You, Resurrection
What is Pierre de Fermat most famous for?
Fermat's Last Theorem
Did Leo Tolstoy and Pierre de Fermat ever meet?
They were contemporaries, though there is no documented direct meeting in our sources.

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