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He entered Harvard University at age 11 and, as an adult, was claimed by family members to have an IQ between 250 and 300, and to be conversant in about 25 languages and dialects.
- John W. Shattuck, Frank Folupa, Parker Greene, Jacob Marmor
- July 17, 1944 (aged 46), Boston, Massachusetts, U.S.
- April 1, 1898, Manhattan, New York City, U.S.
Aug 14, 2022 · As for William James Sidis, he had an estimated IQ of around 250 to 300. Anybody with a high IQ will be happy to tell you it’s meaningless (though they’ll probably still be a little smug). But Sidis was so smart that his IQ was the same amount as three average human beings combined.
Jan 20, 2021 · William James Sidis – a Child Prodigy at 18 Months Old. William had an IQ of 250 to 300. To give you some idea of just how smart William was, an average IQ is 90 to 109. An IQ score over 140 indicates that you are a genius. Experts have reverse-engineered Albert Einstein’s IQ – 160, Leonardo da Vinci – 180, Isaac Newton – 190. Stephen ...
Apr 8, 2023 · While his IQ was never officially measured (such tests tend to be unreliable anyway), his IQ was estimated to be anywhere between 250 and 300 (50-100 points higher than Einstein’s). This would have made him one of the most intelligent people ever recorded.
- Robbie Mitchell
Jan 18, 2024 · His IQ, estimated between 250 and 300, eclipses even Einstein’s reputed 200. Hailed as the brightest mind ever, his life was a complex combination of unparalleled intellect and profound...
Jan 11, 2024 · Jan 11, 2024. A Brief History of William James Sidis. William James Sidis photographed at his Harvard graduation in 1914. Public Domain. The average person’s IQ is between 90 and...
Jun 27, 2023 · Updated June 28, 2023. William James Sidis, Marilyn vos Savant, and Leonardo da Vinci have some of the highest IQs in history — but are they really the world's smartest people? Over the years, intelligence quotient tests, or IQ tests, have been seen as a way to quantify a person’s brainpower.
