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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.
William James Sidis ( / ˈsaɪdɪs /; April 1, 1898 – July 17, 1944) was an American child prodigy with exceptional mathematical and linguistic skills. He is notable for his book The Animate and the Inanimate published in 1925 (written around 1920), in which he speculates about the origin of life in the context of thermodynamics.
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.
Aug 14, 2022 · Published August 14, 2022. Updated November 8, 2023. William James Sidis spoke 25 languages and had an IQ 100 points higher than Albert Einstein's, but the smartest man in the world just wanted to live his life in seclusion. In 1898, the smartest man who ever lived was born in America.
Late in life William Sidis took general intelligence tests for Civil Service positions in New York and Boston. His phenomenal ratings are matter of record.” Abraham Sperling (1912–2000)
Mar 12, 2002 · For example, Dr. Winner noted that the mathematician Norbert Wiener was a contemporary of William Sidis and that the two had much in common. Like Mr. Sidis, Dr. Wiener had been spookily smart as a ...
Feb 12, 2023 · In comparison, average people have an IQ between 80 and 120. Einstein had 160. ... “William James Sidis, who was graduated from Harvard at the age of 15, told Judge Albert F. Hayden in the ...
