Question

who is the most longest person in world​

Answer 1

The twins then named Robert Wadlow as the tallest man "of whom there is irrefutable evidence". When last measured on 27 June 1940, the mild-mannered American stretched a staggering 2.72 m (8 ft 11.1 in) tall. Perhaps surprisingly, Robert entered the world no differently to most babies.

Answer 2

Robert Pershing Wadlow

Robert Pershing Wadlow is the longest person in the world.

His name is in guiness world record.