American man, tallest person in recorded history (1918–1940)
Robert Wadlow
Wadlow (left) with his father (who was 1.82 m (5 ft 11 1⁄2 in))
Born
Robert Pershing Wadlow
(1918-02-22)February 22, 1918
Alton, Illinois, U.S.
Died
July 15, 1940(1940-07-15) (aged 22)
Manistee, Michigan, U.S.[1]
Other names
The Gentle Giant
The Tallest Man Who Ever Lived
The Gentleman Giant
The Boy Giant
The Alton Giant
The Illinois Giant
Occupation
Advertiser
Known for
Tallest verified human in recorded history
Height
8 ft 11.1 in (272.0 cm)
Robert Pershing Wadlow (February 22, 1918 – July 15, 1940), also known as the Alton Giant and the Giant of Illinois, was an American man who was the tallest person in recorded history for whom there is irrefutable evidence. He was born and raised in Alton, Illinois, a small city near St. Louis, Missouri.[1]
Wadlow's height was 8 ft 11.1 in (2.72 m)[2][3][4] while his weight reached 439 lb (199 kg) at his death at age 22. His great size and his continued growth in adulthood were due to hypertrophy of his pituitary gland, which results in an abnormally high level of human growth hormone (HGH).
^ ab"Robert Pershing Wadlow". Alton Museum of History and Art. Archived from the original on September 14, 2022. Retrieved October 3, 2022.
^Cite error: The named reference Guinness was invoked but never defined (see the help page).
^"World's Tallest Man". Worlds Largest Things Traveling Roadside Attraction. Retrieved May 14, 2018.
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18 m (7 ft 2 in), surpassing his father. As such, he was taller than RobertWadlow was from the ages 8 to 13 years. He has been the subject of medical...
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have made him easily the tallest person to ever live even dwarfing RobertWadlow's height of 8 ft 11+9⁄100 in (2.72 m) but Siah Khan was later measured...