Robert Wadlow - AbsoluteAstronomy.com

Robert Pershing Wadlow (February 22, 1918 – July 15, 1940) was the tallest person in history for whom there is irrefutable evidence. Wadlow is sometimes known as the Alton Giant or Giant of Illinois because he was born and grew up in Alton, Illinois

Alton, Illinois

Alton is a city on the Mississippi River in Madison County, Illinois, United States, about north of St. Louis, Missouri. The population was 27,865 at the 2010 census. It is a part of the Metro-East region of the Greater St. Louis metropolitan area in Southern Illinois...

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Wadlow reached 8 foot in height and weighed 439 lb (199.1 kg) at his death at age 22.