Free PDF: The Genius Workout — 50 brain teasers + the 25 highest IQs in history.
Head-to-Head Comparison

Benjamin Franklin vs Thomas Aquinas

Benjamin Franklin (IQ 180) vs Thomas Aquinas (IQ 170). Side-by-side comparison of intellect, achievements, era and cultural impact.

Benjamin Franklin
1706–1790 · US
180
Estimated IQ
Read full biography →
Thomas Aquinas
1225–1274 · IT
170
Estimated IQ
Read full biography →
Born17061225
Died17901274
CountryUSIT
Estimated IQ 180 170
Best known forBeing the founding father of the USA • Shaping the understanding of electricity • Inventing the lightning rod and bifocal spectacles

Who had the higher IQ?

By the most cited estimates, Benjamin Franklin tops this matchup with an estimated IQ of 180, a 10-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

Benjamin Franklin is best known for: Being the founding father of the USA • Shaping the understanding of electricity • Inventing the lightning rod and bifocal spectacles Thomas Aquinas is best known for: —

Different eras, different boards

The two were born roughly 481 years apart (1706 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, Benjamin Franklin 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, Benjamin Franklin or Thomas Aquinas?
Estimated IQs are 180 for Benjamin Franklin and 170 for Thomas Aquinas. Benjamin Franklin rates higher by 10 points. Historical IQ figures are reconstructions, not measured scores.
What is Benjamin Franklin most famous for?
Being the founding father of the USA • Shaping the understanding of electricity • Inventing the lightning rod and bifocal spectacles
What is Thomas Aquinas most famous for?
Did Benjamin Franklin and Thomas Aquinas ever meet?
They were contemporaries, though there is no documented direct meeting in our sources.

Related Comparisons

Explore more genius comparisons

See the IQ Rankings →
ENEspañolFrançaisDeutschPortuguês日本語Italiano中文한국어العربيةहिन्दीРусскийTürkçe

Play & come back tomorrow

🔥 Daily Genius Challenge · Genius trivia
Who famously said 'I think, therefore I am'?
🧠 Which Genius Are You?📊 Free IQ Test