Simplify the following text for a Grade 9 native English-speaking person.
Original: Thomas Hopkins Gallaudet ( December 10 , 1787 - September 10 , 1851 ) was an American teacher and the founder of the American School for the Deaf .
Simplified: Reverend Thomas Hopkins Gallaudet , LL . D. , ( December 10 , 1787 -- September 10 , 1851 ) was a renowned American pioneer in the education of the deaf .