The world's tallest man was 3 feet tall as a toddler, could carry his father at age 9, and stretched to a fantastic height of 8 feet 11 inches. This is the incredible life of Robert Wadlow ...

As a 19-year-old, Wadlow stretched to a height of 8 feet 7 inches and officially became the tallest man in the world. Known as a "Gentle Giant," Wadlow earned money from national public appearances.