Hello how may I help you? i need you to look up a world record Ok, what world record? who's the tallest person in the world? Are you looking for the tallest person alive or the tallest person to ever live? tallest person ever The tallest person of all time was Joe Carrol. how tall was he? Joe Carrol was 8' 4". how tall is the tallest person alive right now? The tallest person alive is George Wilson who is 8' 1". cool, thanks Your welcome.