who invented the Gallaudet Scale of Hearing and when?

I need to know who actually invented the Gallaudet Hearing scale and when, andy info on it would be appreciated

2010-08-24T05:39:31Z

Yeah.....that doesn't say he invented the GHS....or when. Check your sources before you post. Thanks....

?2010-08-23T06:30:51Z

Favorite Answer

http://en.wikipedia.org/wiki/Thomas_Hopkins_Gallaudet

The 'hint' is usually in the name :P