Hello how may I help you? Can you help me? sure what do you need May I ask who is the world's tallest man? the worlds tallest man is Robert Wadlow at 8' 2.8" He's still alive? no he lived from February 22, 1918 July 15, 1940 Oh, then who's the latest tallest man? The tallest man living is Sultan Ksen What height? 8 ft 2.8 in