5 geniuses born on April 21 — including Percy Williams Bridgman, Max Weber, and more. Explore their biographies, IQ scores, and achievements.
Percy Williams Bridgman, Max Weber, Charlotte Brontë, John Law, Hippolyte Taine — 5 geniuses in total share this birthday.
taurus is the zodiac sign for people born on April 21.
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 →Among the 5 geniuses with known IQ scores born on this date, the average estimated IQ is 166.
Discover history's greatest minds — biographies, IQ scores, quotes, and more.
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