The highest man ever seen in the world Posted on June 2, 2018 by hahapyCategoriesLife, Memory Spread the loveThe highest human being known in the world: Robert Wadlow, up to 2.72 metres He was 1.63 meters at 5 years old and 1.87 meters at 8 years old, showing a different physique from ordinary people. But in 1940, he passed away when he was 22 years old. Post Views: 1,317