People with Highest IQ in the World

Marilyn vos Savant: IQ 228

When Marilyn vos Savant was ten years old, an adult-level Stanford-Binet test revealed she had an IQ of 228, which later landed her a Guinness World Record until the company removed the category in 1990 because the numbers are considered inexact. She’s been answering philosophical and mathematical questions for Parade magazine readers in her “Ask Marilyn” column since 1986. Learn about the crazy sleep habit that geniuses have in common.