 Almost all of the fifty @-@ five delegates had taken part in the Revolution , with at least twenty @-@ nine having served in the Continental forces , most in positions of command . All but two or three had served in colonial or state government during their careers . The vast majority ( about 75 % ) of the delegates were or had been members of the Confederation Congress , and many had been members of the Continental Congress during the Revolution . Several had been state governors . Just two delegates , Roger Sherman and Robert Morris , would be signatories to all three of the nation ’ s founding documents : the Declaration of Independence , the Articles of Confederation , and the Constitution . 
