Simplify the following text for a Grade 11 native English-speaking person.
Original: Lyman Hall ( April 12 , 1724 - October 19 , 1790 ) , physician , clergyman , and statesman , was a signer of the United States Declaration of Independence as a representative of Georgia .
Simplified: Lyman Hall ( April 12 , 1724 - October 19 , 1790 ) was a signer of the United States Declaration of Independence as a representative of Georgia .