What was Robert Wadlow's cause of death? Learn about the medical conditions that affected the Giant of Illinois and how he passed away at just 22 years old.

Robert Wadlow was 6 feet 5 inches (196 cm) tall and weighed 212 pounds (96 kg) when he was ten years old. Growing an average of 4 inches (10 cm) each year since birth, he reached a height of 7 feet 4 ...

The tallest man in the world was born happy, healthy, and seemingly normal in size. On February 22, 1918, Addie Wadlow gave birth to an 8.7-pound baby named Robert Pershing Wadlow in Alton, Illinois.