5 geniuses born on April 1 — including William James Sidis, William Harvey, and more. Explore their biographies, IQ scores, and achievements.
William James Sidis, William Harvey, Sergei Rachmaninoff, Sophie Germain, Wangari Maathai — 5 geniuses in total share this birthday.
aries is the zodiac sign for people born on April 1.
Twenty questions, eight minutes on the clock, and a percentile measured against everyone who has taken it. No sign-up.
Take the IQ test →Among the 3 geniuses with known IQ scores born on this date, the average estimated IQ is 197.
Discover history's greatest minds — biographies, IQ scores, quotes, and more.
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