How tall is the tallest man on earth?

The tallest man on planet Earth ever was Robert Wadlow. He was born on 22 February 1918 in Alton state, Illinois, USA. He is also known as Giant of Illinois. He died at age 22. He reached incredible 2.72 m in height (8ft 11in), and weight of 220kg!

The reason for his great size lies in fact that he had abnormally high level of human growth hormone, more precisely he had hypertrophy of his pituitary gland. He never stopped growing, not even at age of 22. He died on July 15 1940, after an infection caused by irritation of his ankle.

Leonid.Stadnik

Leonid Stadnyk

Today, the tallest man on earth is Leonid Stadnyk from a small village Podoliantsi in Ukraine. He reached 8ft 5 in or 2.53 m! His condition is called agromegalic gigantism and he started to grow after a brain surgery which affected his pituitary gland. He was added to the Guinness book of Records at 27 September 2007.


Janika is 24 years old student of Italian language and literature, so as Serbian language and literature at Faculty of Philology in Banja Luka, Republika Srpska, Bosnia. She is a long time writer for Across the Planet. Her favorite topics are archaeological sites and nature reserves. She like animals especially cats and her favorite hobbies are aerobic and photography.

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