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

Bobby Fischer vs Gregor Mendel

Bobby Fischer (IQ —) vs Gregor Mendel (IQ 165). Side-by-side comparison of intellect, achievements, era and cultural impact.

Bobby Fischer
1943–2008 · US
Estimated IQ
Read full biography →
Gregor Mendel
1822–1884 · CZ
165
Estimated IQ
Read full biography →
Born19431822
Died20081884
CountryUSCZ
Estimated IQ 165
Best known forBeing the World Chess ChampionCreating the science of genetics

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

Bobby Fischer is best known for: Being the World Chess Champion Gregor Mendel is best known for: Creating the science of genetics

Different eras, different boards

The two were born roughly 121 years apart (1943 vs 1822), 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, Gregor Mendel 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, Bobby Fischer or Gregor Mendel?
Estimated IQs are — for Bobby Fischer and 165 for Gregor Mendel. Gregor Mendel rates higher by 165 points. Historical IQ figures are reconstructions, not measured scores.
What is Bobby Fischer most famous for?
Being the World Chess Champion
What is Gregor Mendel most famous for?
Creating the science of genetics
Did Bobby Fischer and Gregor Mendel 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