The Internet at the Speed of Thought

15 Smartest People in the World

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4. Chris Hirata

Christopher Hirata is a former child prodigy with a reported IQ of 225. A physicist, Hirata has worked for NASA and later worked as a physics and astronomy professor.

3. Marilyn vos Savant

While her score has been disputed, vos Savant is widely considered to have the highest IQ on living record at a supposed 228. She is well known for her “Ask Marilyn” column in Parade. Her husband is Dr. Robert Jarvik, designer of the first successfully-implanted artificial heart.

2. Terence Tao

Terence Tao is a Chinese-American mathematician who has been estimated to have an IQ as high as 230. Tao scored a 760 on the old math SAT when he was 9 years old. Both of his brothers are also extremely gifted.