William James Sidis, Ukrainian-Russian Jewish American mathematician, anthropologist, and historian (died 1944)

William James Sidis

American mathematician, polyglot and child prodigy (1898–1944)

William James Sidis was an American child prodigy whose exceptional abilities in mathematics and languages made him one of the most famous intellectual prodigies of the early 20th century. Born to Boris Sidis, a prominent psychiatrist, and Sarah Mandelbaum Sidis, a physician,…