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's most famous invention, the lightbulb, paved the way for modern life.

Thomas Edison wasn’t the only inventor to lay claim to the light bulb, so whose bright idea was it? Ask History finds out.