July 21
Geniuses Born on July 21
2 Geniuses cancer
🌍Most represented country: MK (1)
📅Eras: Medieval (1), 19th Century (1)

Geniuses Born on July 21

2 geniuses born on July 21 — including Alexander the Great and Ernest Hemingway. Explore their biographies, IQ scores, and achievements.

Alexander the GreatIQ 180
356–323 · MK
Creating one of the largest empires by the age of 30.
A king of the ancient Greek kingdom of Macedon and a member of the Argead dynasty.
♈ cancerRead article →Profile →
Ernest HemingwayIQ 170
1899–1961 · United States
A Farewell to Arms and The Old Man and the Sea
An American novelist, short-story writer, journalist, and sportsman best known for his novels For Whom the Bell Tolls, A Farewell to Arms, and The Old
♈ cancerRead article →Profile →

More Geniuses Born in July

July 1 (6)July 2 (4)July 3 (2)July 4 (3)July 5 (2)July 6 (1)July 7 (3)July 8 (1)July 9 (1)July 10 (3)July 11 (2)July 12 (4)July 13 (1)July 14 (2)July 15 (3)July 16 (1)July 17 (3)July 18 (3)July 20 (4)July 22 (1)July 23 (1)July 24 (5)July 25 (1)July 26 (5)July 27 (1)July 28 (5)July 30 (4)July 31 (2)

Explore More

⚔️ Alexander the Great vs Ernest Hemingway📋 Browse All Lists📰 Blog Articles🎂 All Birthdays

Frequently Asked Questions

Which geniuses were born on July 21?

Alexander the Great, Ernest Hemingway — 2 geniuses in total share this birthday.

What is the zodiac sign for July 21?

cancer is the zodiac sign for people born on July 21.

What is the average IQ of geniuses born on July 21?

Among the 2 geniuses with known IQ scores born on this date, the average estimated IQ is 175.

Discover history's greatest minds — biographies, IQ scores, quotes, and more.

Explore All 1,100+ Geniuses →

Trending Comparisons

Albert EinsteinVSIsaac NewtonEinstein vs NewtonWho ranks higher? →Leonardo Da VinciVSNikola TeslaDa Vinci vs TeslaWho ranks higher? →Marie CurieVSStephen HawkingCurie vs HawkingWho ranks higher? →Ada LovelaceVSAlan TuringLovelace vs TuringWho ranks higher? →Bobby FischerVSJohn Von NeumannFischer vs Von NeumannWho ranks higher? →

Top IQ Rankings

Highest IQ in HistoryTop 100→Greatest PhysicistsTop 38→Greatest MathematiciansTop 29→

Child prodigies

Kim Ung-yongKim Ung-yongTested IQ 210 — Guinness Record Holder, NASA Engineer at 8, PhD…Shakuntala DeviShakuntala DeviMultiplied two 13-digit numbers in her head in 28 secondsStephen WiltshireStephen WiltshireAutistic Savant Drawing Entire Cities from Memory — MBE from…Michael KearneyMichael KearneyBachelor's at 10 Years, 4 Months — Youngest U.S. College…
Child prodigies →

Play & come back tomorrow

Daily Genius Challenge
Which Genius Are You? Free IQ Test