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Maddie ZieglerSia's 'Chandelier' Music Video at Age 11 — Two Billion YouTube…
Daniel TammetRecited pi from memory to 22,514 digits in just over five hours
Shirley TempleHollywood's number-one box-office star as a child, later a U.S.…
Kelvin DoeSelf-taught engineer who built a radio station from scrap at…