How did Thomas Edison go deaf?

Thomas began to experiment with chemicals in the basement of his home. When Edison was 14, he contracted scarlet fever. The effect of the fever, as well as a blow to the head by an angry train conductor, caused Edison to become completely deaf in his left ear, and 80-percent deaf in the other. read more

That is how Edison described himself, but in fact he was not totally deaf. read more

Thomas Edison also called Al became deaf form his scarlet fever that he had a a child. There are different theories. Some even believed of the conductor boxing his ears which claimed to be true. read more

It seems that hearing loss ran in the family. An illness might also have made Edison's hearing worse. Another story, told by Edison himself, says that when he was 15 a train accident injured his hearing more. read more