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

David Hume vs Mark Twain

David Hume (IQ 180) vs Mark Twain (IQ 170). Side-by-side comparison of intellect, achievements, era and cultural impact.

David Hume
1711–1776 · SCT
180
Estimated IQ
Read full biography →
Mark Twain
1835–1910 · US
170
Estimated IQ
Read full biography →
Born17111835
Died17761910
CountrySCTUS
Estimated IQ 180 170
Best known forHis highly influential system of philosophical empiricism, skepticism, and naturalismThe Adventures of Tom Sawyer • Adventures of Huckleberry Finn

Who had the higher IQ?

By the most cited estimates, David Hume tops this matchup with an estimated IQ of 180, a 10-point margin over Mark Twain (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

David Hume is best known for: His highly influential system of philosophical empiricism, skepticism, and naturalism Mark Twain is best known for: The Adventures of Tom Sawyer • Adventures of Huckleberry Finn

Different eras, different boards

The two were born roughly 124 years apart (1711 vs 1835), 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, David Hume 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, David Hume or Mark Twain?
Estimated IQs are 180 for David Hume and 170 for Mark Twain. David Hume rates higher by 10 points. Historical IQ figures are reconstructions, not measured scores.
What is David Hume most famous for?
His highly influential system of philosophical empiricism, skepticism, and naturalism
What is Mark Twain most famous for?
The Adventures of Tom Sawyer • Adventures of Huckleberry Finn
Did David Hume and Mark Twain 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