William James Sidis is considered the smartest person in history. Son of immigrants Sarah Mandelbaum Sidis and Boris Sidis, had an estimated 250 to 300 IQ points. The range of a common person considered is between 90 and 110. His parents fled Russia in 1898 for political reasons, were part of the Russian Jewish community.
At age eight he knew 9 languages in addition to their mother tongue is English (Latin, Greek, French, Russian, German, Hebrew, Turkish and Armenian), and 7 years invented one, the vendergood. He passed the third grade in three days. He wrote four books of anatomy and astronomy between 4 and 8 years. Before the age of eight years was accepted at MIT (Massachusetts Institute of Technology), and at 11 he entered the Harvard University and was an expert in applied mathematics. At age 16 he graduated in medicine. He was able to speak about 40 languages to perfection until his death.
He died on July 17, 1944 at age 46 after finishing his seventh and final race. According to a popular myth, the cause of death was a stroke. He could never have a family life, never had a partner, was not interested in much contact with other people and was quite reserved to himself.
