Marilyn vos Savant may well be the smartest person alive today. With an IQ of 228, she has been listed as the
Highest IQ individual in the world by the Guinness World Records since 1990. vos Savant is a cognitive psychologist and writer who has authored several books on intelligence, including The Superordinate Personality: A Theory of Genius and Superiority. In her work, she has explored how genius is defined and measured, and how it manifests itself in individual behavior.