By the time Robert Wadlow turned 8 years old, he was already taller than his father. Diagnosed with
By the time Robert Wadlow turned 8 years old, he was already taller than his father. Diagnosed with hyperplasia of the pituitary gland — a condition that causes excessive growth due to a high level of human growth hormones — Wadlow stood about 6 feet tall as a child. In the years following, he would only grow taller, ultimately reaching 8'11". Though Wadlow died in 1940 at age 22, there’s yet to be another person who’s reached his height. -- source link