who was the first tallest  man
The world's TALLEST MAN to have ever lived! (Robert Pershing Wadlow). Robert Wadlow, known as the 'Gentle Giant' of Alton, Illinois, USA, is widely regarded as the tallest human being of all time (certainly for whom there is irrefutable proof). Wadlow reached a height of 8 feet 11.1 inches and weighed 449 pounds!