Eratosthenes vs Ptolemy

Who Was the Greater Genius? A Complete Comparison

Eratosthenes
IQ175
Born276
Died0194
OriginCyrene
Known ForSieve of EratosthenesFounder of Geography
VS
Ptolemy
IQ175
Born100
Died0170
OriginAlexandria, Egypt, Roman Empire
Known ForAlmagest

About Eratosthenes

A Greek mathematician, geographer, poet, astronomer, and music theorist. He was the chief librarian at the Library of Alexandria.

Read full biography of Eratosthenes → · In-Depth Article →

About Ptolemy

2nd-century Greco-Egyptian writer & astronomer who wrote several scientific treatises, three of which were of importance to later Byzantine, Islamic and Western European science.

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The Verdict

Both Eratosthenes and Ptolemy have an estimated IQ of 175, placing them among history's greatest minds.

Frequently Asked Questions

Who had a higher IQ — Eratosthenes or Ptolemy?

Eratosthenes had an estimated IQ of 175 while Ptolemy had an estimated IQ of 175.

What is each genius known for?

Eratosthenes is known for: Sieve of EratosthenesFounder of Geography. Ptolemy is known for: Almagest.

Are both considered geniuses?

Yes. Both Eratosthenes and Ptolemy are universally regarded as among history's greatest intellects.

Full Profile: EratosthenesFull Profile: Ptolemy

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