How tall is the tallest person in the world?

Some guy from Turkey at 8'1" (See below)

• The tallest man ever would be Robert Wadlow of Illinois who was 8"11 and died at the age of 22.
• As of 2009, it would be Leonid Stadnik, 37, of Ukraine. His height is 8 ft 5 inches, weight 440 lb. (200 kg) and shoe size, 44 cm.
• The tallest woman recorded is Yao Defen, 34 years old and is 7 feet 7 inches tall, weighing 396 lbs. She is working as a circus performer.

Leonid Stadnyk lost official recognition of tallest living person in the world after refusing to allow his height to be verified independently, according to the "Ukrainian Book of Records" his height is 8 ft 4 in.

The doctor originally credited by the Guinness Book of Records with confirming Stadnyk's height has denied ever measuring him.

Sultan Kösen (born 10 December 1982, in Mardin, Turkey) is, at 8 ft 1in (2.47m) currently officially listed as world's tallest person.