Simplify the following text for a Grade 11 native English-speaking person.
Original: Samuel Adams ( September27 ( OS ) , 1722 â `` October 2 , 1803 ) was an American leader , politician , writer , and political philosopher , and one of the Founding Fathers of the United States .
Simplified: Samuel Adams ( â `` October 2 , 1803 ) was an American statesman , political philosopher , and one of the Founding Fathers of the United States .