Thomas Jefferson said the day will come when the mystical generation of Jesus is classed with the fable of the the generation of Minerva in the brain of jupiter and wrote that the history of the bible was defective and doubtful~evidence that parts have proceeded from an extraordinary man and that other parts are the fabric of very inferior minds.
In the Tripoli treaty Adams and Washington said that the govt of the US is not founded on the Christian religion.
Washington was a diest . According to the dictionary deism is a system of thought advocating natural religion based on human reason , not revelation that had nothing to do with christianity.
James Madison was an athiest . He wrote What are Chritianities fruits? ~in all places pride and indolence in the clergy , ignorance and servility in the laity;in both superstition bigotry and persecution.
The founding fathers never mentioned god in the constitution
The founding fathers were alot smarter than GW Bush Jr and the jolly green giant Al Gore and were'nt religious fanatics even before the advances in astronomy etc that make evolution obvious.