Thomas Edison Was about 12 through 20 when he started to became deaf.
No
Thomas Edison.
yon Thomas Edison
Edison was deaf almost his entire life.
yon Thomas Edison
He was 12 years old when he became deaf
Yes, Thomas could hear. He is almost deaf.
yes he did he was deaf but after sometime he did not care if he was deaf it was better for him to concentrate
In his Later Life he became deaf.
Very little, if any. Edison was quite deaf his entire life.
He became completely became deaf because he has Scarlet Fever