William James Sidis (April 1, 1898 - July 17, 1944) was an American child prodigy with exceptional mathematical and linguistic abilities. He first became famous for his precociousness, and later for his eccentricity and withdrawal from the public eye. He avoided mathematics entirely in later life, writing on other subjects under a number of pseudonyms. Wikipedia
William James Sidis, (pr. SIGH-dis) the world-famous child prodigy said to have been a "prodigious failure," actually wrote many books and articles under www.sidis.net
A Review of Amy Wallace's The Prodigy, The Prodigy is Amy Wallace's biography of William James Sidis, Given IQ is a purely anthropocentric means of assessing intelligence, Sidis' IQ is crudely estimated at 250-300, but Albert Einstein came up with the th www.quantonics.com/The_Prodigy_Review.html
The definitive Wikipedia entry for William James Sidis. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/William_James_Sidis
Who was Boris Sidis? William's father, Boris Sidis, Ph.D., M.D., was one of America's great psychologists whose contributions are not acknowledged due to the bad press. danmahony.com/sidisfaq.htm
... The much heralded youth Sidis, who could add aloud the figures on his nursing bottle and who at the age of 11 was describing to Harvard professors how most accurately to measure ... www.thecrimson.com/article.aspx?ref=423615
Boris and Sarah Sidis arrived in such a fashion, and they quickly gained notoriety in the United States as brilliant individuals. www.damninteresting.com/?p=715