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Head-to-Head Comparison

Louis Pasteur vs Voltaire

Louis Pasteur (IQ 175) vs Voltaire (IQ 190). Side-by-side comparison of intellect, achievements, era and cultural impact.

Louis Pasteur
1822–1895 · FR
175
Estimated IQ
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Voltaire
1694–1778 · FR
190
Estimated IQ
Read full biography →
Born18221694
Died18951778
CountryFRFR
Estimated IQ 175 190
Best known forCreated the first vaccines for rabies • Cholera vaccine • Anthrax vaccines • PasteurizationThe novel Candide

Who had the higher IQ?

By the most cited estimates, Voltaire tops this matchup with an estimated IQ of 190, a 15-point margin over Louis Pasteur (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

Louis Pasteur is best known for: Created the first vaccines for rabies • Cholera vaccine • Anthrax vaccines • Pasteurization Voltaire is best known for: The novel Candide

Recognition. Louis Pasteur: Legion of Honor Grand Cross (1881) • Rumford Medal (1856) • Foreign Member of the Royal Society (1869) • Copley Medal (1874) • Albert Medal (1882) • Foreign Associate of the National Academy of Sciences (1883) • Cameron Prize for Therapeutics of the University of Edinburgh (1889) • Leeuwenhoek Medal. Voltaire: —.

Different eras, different boards

The two were born roughly 128 years apart (1822 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, Voltaire 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, Louis Pasteur or Voltaire?
Estimated IQs are 175 for Louis Pasteur and 190 for Voltaire. Voltaire rates higher by 15 points. Historical IQ figures are reconstructions, not measured scores.
What is Louis Pasteur most famous for?
Created the first vaccines for rabies • Cholera vaccine • Anthrax vaccines • Pasteurization
What is Voltaire most famous for?
The novel Candide
Did Louis Pasteur and Voltaire ever meet?
They were contemporaries, though there is no documented direct meeting in our sources.

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