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

Andrew Wiles vs William James Sidis

Andrew Wiles (IQ —) vs William James Sidis (IQ 250). Side-by-side comparison of intellect, achievements, era and cultural impact.

Andrew Wiles
b. 1953 · GB
Estimated IQ
Read full biography →
William James Sidis
1898–1944 · US
250
Estimated IQ
Read full biography →
Born19531898
Died1944
CountryGBUS
Estimated IQ 250
Best known forProving Fermat's Last TheoremThe Animate And The Inanimate

Who had the higher IQ?

Reliable IQ figures aren't available for both. The richer comparison is what each accomplished and how it changed their field.

Achievements compared

Andrew Wiles is best known for: Proving Fermat's Last Theorem William James Sidis is best known for: The Animate And The Inanimate

Recognition. Andrew Wiles: Whitehead Prize (1988) • Rolf Schock Prize (1995) • Ostrowski Prize (1995) • Fermat Prize (1995) • Wolf Prize (1995/6) • Royal Medal (1996) • NAS Award in Mathematics (1996) • Foreign Associate of the National Academy of Sciences (1996) • Cole Prize (1997) • MacArthur Fellowship (1997) • Wolfskehl P. William James Sidis: —.

Different eras, different boards

The two were born roughly 55 years apart (1953 vs 1898), 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, William James Sidis 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, Andrew Wiles or William James Sidis?
Estimated IQs are — for Andrew Wiles and 250 for William James Sidis. William James Sidis rates higher by 250 points. Historical IQ figures are reconstructions, not measured scores.
What is Andrew Wiles most famous for?
Proving Fermat's Last Theorem
What is William James Sidis most famous for?
The Animate And The Inanimate
Did Andrew Wiles and William James Sidis 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 cracked the Enigma code and helped found computer science?
🧠 Which Genius Are You?📊 Free IQ Test