who is smartest person in the world and what is his age
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Christopher Michael Langan (born March 25, 1952) is an American horse rancher and autodidact who has been reported to score very highly on IQ tests. Langan's IQ was estimated on ABC's 20/20 to be between 195 and 210, and in 1999 he was described by some journalists as "the smartest man in America" or "in the world".
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Christopher Michael Langan is the smartest person in the world.
He is 69 years old
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