4 geniuses born on January 21 — including Pitirim Sorokin, Paul Allen, and more. Explore their biographies, IQ scores, and achievements.
Pitirim Sorokin, Paul Allen, Plácido Domingo, Ashton Eaton — 4 geniuses in total share this birthday.
aquarius is the zodiac sign for people born on January 21.
Zwanzig Fragen, acht Minuten auf der Uhr und ein Perzentil, gemessen an allen bisherigen Teilnehmern. Ohne Anmeldung.
IQ-Test starten →Among the 2 geniuses with known IQ scores born on this date, the average estimated IQ is 168.
Discover history's greatest minds — biographies, IQ scores, quotes, and more.
Explore All 1,100+ Geniuses →