Athanasius Kircher vs William James Sidis

Who Was the Greater Genius? A Complete Comparison

Athanasius Kircher
IQ190
Born1602
Died1680
OriginGeisa, Duchy of Thuringia
VS
William James Sidis
IQ250
Born1898
Died1944
OriginManhattan, New York City, U.S.
Known ForThe Animate And The Inanimate

About Athanasius Kircher

A German Jesuit scholar and polymath who published around 40 major works.

Read full biography of Athanasius Kircher → · In-Depth Article →

About William James Sidis

American child prodigy

LE TEST GRATUIT
Et le vôtre ?

Vingt questions, huit minutes au chronomètre et un centile mesuré face à tous ceux qui l’ont passé. Sans inscription.

Passer le test de QI →

Read full biography of William James Sidis → · In-Depth Article →

The Verdict

Based on estimated IQ scores, William James Sidis (IQ 250) ranks higher than Athanasius Kircher (IQ 190). However, both made extraordinary contributions.

Frequently Asked Questions

Who had a higher IQ — Athanasius Kircher or William James Sidis?

Athanasius Kircher had an estimated IQ of 190 while William James Sidis had an estimated IQ of 250.

What is each genius known for?

Athanasius Kircher is known for: See full biography. William James Sidis is known for: The Animate And The Inanimate.

Are both considered geniuses?

Yes. Both Athanasius Kircher and William James Sidis are universally regarded as among history's greatest intellects.

Full Profile: Athanasius KircherFull Profile: William James Sidis

← Browse all genius comparisons | IQ Rankings