Hello how may I help you? Hi! How may I help? I have a question about a world record Sure. Ask away. Who is the tallest person of all time? The tallest person is Sultan Kolsen at 8'3" tall. Is that currently or all time? That is the currently living person. Ok, do you know the tallest of all time? The tallest of all time is Robert Wadow at 8'11" Thank you, that is everything I need Great. Have a nice day!