 Gouverneur Morris is credited , both now and then , as the chief draftsman of the final document , including the stirring preamble . Not all the delegates were pleased with the results ; thirteen left before the ceremony , and three of those remaining refused to sign : Edmund Randolph of Virginia , George Mason of Virginia , and Elbridge Gerry of Massachusetts . George Mason demanded a Bill of Rights if he was to support the Constitution . The Bill of Rights was not included in the Constitution submitted to the states for ratification , but many states ratified the Constitution with the understanding that a bill of rights would soon follow . Shortly before the document was to be signed , Gorham proposed to lower the size of congressional districts from 40 @,@ 000 to 30 @,@ 000 citizens . A similar measure had been proposed earlier , and failed by one vote . George Washington spoke up here , making his only substantive contribution to the text of the Constitution in supporting this move . The Convention adopted it without further debate . Gorham would sign the document , although he had openly doubted whether the United States would remain a single , unified nation for more than 150 years . Ultimately , 39 of the original 55 delegates ended up signing , but it is likely that none were completely satisfied . Their views were summed up by Benjamin Franklin , who said , 
