This is a list of the tallest people to be measured and verified, living and dead, from 1835 to the present.
https://en.wikipedia.org/wiki/List_of_tallest_people
Well according to the Guinness Book of World Records the tallest man ever measured is Robert Wadlow. At his tallest he was 8ft 11 in. Which is about 2.72m . Tallest man ever.
https://www.quora.com/Who-is-the-tallest-man-in-the-world-2
For the first time, the tallest recorded man in the world met the shortest man. Sultan Kosen, 31, is a Turkish farmer who measures 8 feet, 3 inches tall. Nepalese weaver Chandra Bahadur Dangi, 74, is just 21½ inches tall. The two men met in London for the 10th annual Guinness World Records Day.
http://www.cnn.com/2014/11/13/living/tallest-shortest-man-guinness/index.html
Via: TheTallestMan. The tallest American during her lifetime, Ella Ewing lived from 1872 to 1913 in Missouri. Ewing grew normally until the age of nine, when she began a growth spurt that would last much of the rest of her life.
http://www.therichest.com/expensive-lifestyle/lifestyle/the-10-tallest-women-who-ever-lived/
Story highlights. 1  For the first time, the tallest recorded man in the world met the shortest man. 2  Sultan Kosen, 31, is a Turkish farmer who measures 8 feet, 3 inches tall. 3  Nepalese weaver Chandra Bahadur Dangi, 74, is just 21½ inches tall.  The two men met in London for the 10th annual Guinness World Records Day.
http://www.cnn.com/2014/11/13/living/tallest-shortest-man-guinness/index.html
The tallest living person since September 17, 2009, as determined by Guinness World Records. He has 36.5 cm long (1 ft-2in) feet - the second largest feet on a living person and 27.5 cm (10.83 in) hands - the longest on a living person. 1982–.
https://en.wikipedia.org/wiki/List_of_tallest_people
United States Alton, Illinois. When. 27 June 1940. The tallest man in medical history for whom there is irrefutable evidence is Robert Pershing Wadlow (USA) (born 6:30 a.m. at Alton, Illinois, USA on 22 February 1918), who when last measured on 27 June 1940, was found to be 2.72 m (8 ft 11.1 in) tall.
http://www.guinnessworldrecords.com/world-records/tallest-man-ever
The 10 Tallest Women Who Ever Lived. When we speak of world records, we tend to have a male bias: fastest man, tallest man, largest man, etc. Consequently, either intentionally or unintentionally, female record holders are often ignored altogether. So today we’re going to shine a spotlight on the unfortunately more omitted sex by telling you about the tallest women who ever lived.
http://www.therichest.com/expensive-lifestyle/lifestyle/the-10-tallest-women-who-ever-lived/
If you want to know the record holder for the tallest person in the world, then you're in the right place. Robert Wadlow from the United States, is considered to be the tallest person ever lived. Measuring 8 ft 11.1 in (2.72 m). Wadlow reached almost 9 feet in height and weighed 485 lb (220 kg) at his death at age 22. He was born in February 22, 1918 in Alton, Illinois, and died July 15, 1940.
http://mostextreme.org/tallest_person.php
Robert Wadlow. Robert Pershing Wadlow (February 22, 1918 – July 15, 1940), also known as the Alton Giant and the Giant of Illinois, was an American who became famous as the tallest person ever in human recorded history for whom there is irrefutable evidence. The Alton and Illinois monikers reflect the fact that he was born and raised in Alton, Illinois.
https://en.wikipedia.org/wiki/Robert_Wadlow
who is the most tallest man
Robert Wadlow is the most tallest man. Robert Wadlow is the most tallest man.  