2) William James Sidis had an estimated IQ between 250 & 300. He taught himself 8 languages as a child & invented another, called Vendergood. He entered Harvard, age 11 (2 yrs later than he wanted). A mathematical as well as linguistic genius he went on to teach classes in geometry and trigonometry in Texas at the age of 17. He took a full-time course load in 1910 and earned his Bachelor of Arts degree, cum laude, on June 18, 1914, at age 16.