Hello how may I help you? Do you know world records? I sure do! How can I help? Who's the world's tallest man? Robert Wadlow who is 8 ft 11.1 in tall! Wow is he still living? He passed away on July 15, 1940. Ok thanks Would you like more information on Robert Wadlow? That's it for today. Ok, it was a pleasure assisting you for today!