Thomas Edison, America’s greatest inventor, was also deaf—a trait that sharpened his focus and fueled his groundbreaking innovations.

Thomas Edison gave us the light bulb, but it wasn't easy. See how multiple failures lead to a revolution that helped light up the world.

Thomas Edison had over 400 patents in just 8-years, but not all his ideas took off. See some bizarre failures from the Wizard of Menlo Park.

Hear the first verbal messages to travel by wire and through the air.