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.
Zwanzig Fragen, acht Minuten auf der Uhr und ein Perzentil, gemessen an allen bisherigen Teilnehmern. Ohne Anmeldung.
IQ-Test starten →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.
Explore All 1,100+ Geniuses →