He was the reason why baseball came up with the signals they use today.
http://www.reporterherald.com/ci_20745061/deaf-player-william-hoy-inspired-baseball-signals
https://en.wikipedia.org/wiki/Dummy_Hoy
People will say "Deaf and Dumb" today even, The society try to change it to deaf and mute, but alot of deaf are not mute! They do make sounds, but remember, they can't hear so they don't know how to sound out the words, I am one lol, the darn Ch get me all the time
