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Head-to-Head Comparison

Baruch Spinoza vs Thomas Aquinas

Baruch Spinoza (IQ 175) vs Thomas Aquinas (IQ 170). Side-by-side comparison of intellect, achievements, era and cultural impact.

Baruch Spinoza
1632–1677 · NL
175
Estimated IQ
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Thomas Aquinas
1225–1274 · IT
170
Estimated IQ
Read full biography →
Born16321225
Died16771274
CountryNLIT
Estimated IQ 175 170
Best known forEthics, epistemology, metaphysics, Hebrew grammar

Who had the higher IQ?

By the most cited estimates, Baruch Spinoza tops this matchup with an estimated IQ of 175, a 5-point margin over Thomas Aquinas (170). 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

Baruch Spinoza is best known for: Ethics, epistemology, metaphysics, Hebrew grammar Thomas Aquinas is best known for: —

Different eras, different boards

The two were born roughly 407 years apart (1632 vs 1225), 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, Baruch Spinoza 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, Baruch Spinoza or Thomas Aquinas?
Estimated IQs are 175 for Baruch Spinoza and 170 for Thomas Aquinas. Baruch Spinoza rates higher by 5 points. Historical IQ figures are reconstructions, not measured scores.
What is Baruch Spinoza most famous for?
Ethics, epistemology, metaphysics, Hebrew grammar
What is Thomas Aquinas most famous for?
Did Baruch Spinoza and Thomas Aquinas ever meet?
They were contemporaries, though there is no documented direct meeting in our sources.

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