Top Ten Smartest People Ever

The estimate of his IQ is a rough one and lies between 250 and 300. He finished grammar school in only 7 months. At the age of 11 he went to Harvard and at the age of 20 he spoke 40 languages fluently.

Albert Einstein had an IQ level of 160-190, and although his name is synonymous with the word genius, there have been many people who have scored higher on IQ tests than Einstein ever did. * Kim Ung-Yong (IQ Level- 210) A guest student in Physics at Hanyang University at the age of 3. Left NASA at the age of 16.

The highest IQ ever recorded is of William James Sidis with an IQ score between 250-300. At the age of 5, he could use a typewriter and had learnt to speak Latin, Greek, Russian, French, German and Hebrew.

Christopher Michael Langan (born March 25, 1952) is an American whose IQ was reportedly believed to be "between 190 and 210". In Morris 2001, Langan relates that he took what was billed as "the world's most difficult IQ test" in Omni magazine, and he gives his IQ as "somewhere between 190 and 210".

List of people with the highest IQ score ever recorded ... Garry Kasparov (IQ score – 194) ... He is frequently hailed as the ‘smartest man in America’.

The highest IQ ever recorded is of William James Sidis with an IQ score between 250-300. At the age of 5, he could use a typewriter and had learnt to speak Latin, Greek, Russian, French, German and Hebrew.