Who Was the Greater Genius? A Complete Comparison
A Greco-Egyptian mathematician and engineer who was active in his native city of Alexandria
Read full biography of Hero of Alexandria → · In-Depth Article →
American child prodigy
Twenty questions, eight minutes on the clock, and a percentile measured against everyone who has taken it. No sign-up.
Take the IQ test →Read full biography of William James Sidis → · In-Depth Article →
Based on estimated IQ scores, William James Sidis (IQ 250) ranks higher than Hero of Alexandria (IQ 185). However, both made extraordinary contributions.
Hero of Alexandria had an estimated IQ of 185 while William James Sidis had an estimated IQ of 250.
Hero of Alexandria is known for: Aeolipile <br> Heron's fountain <br> Heron's formula <br> Vending machine. William James Sidis is known for: The Animate And The Inanimate.
Yes. Both Hero of Alexandria and William James Sidis are universally regarded as among history's greatest intellects.
Kim Ung-yongSolved calculus as a small child, then chose a quiet career as a civil engineer
Shakuntala DeviMultiplied two 13-digit numbers in her head in 28 seconds
Stephen WiltshireAutistic Savant Drawing Entire Cities from Memory — MBE from…
Michael KearneyBachelor's at 10 Years, 4 Months — Youngest U.S. College…
