Final answer:
Patrick Henry did not attend the Constitutional Convention, as he opposed the centralization of power and was not a Federalist. Thomas Jefferson and John Adams were absent due to their diplomatic roles in Europe.
Step-by-step explanation:
The men who are recognized as the Founding Fathers of the United States were a group of revolutionary leaders and statesmen who contributed to the American independence and the establishment of the nation. Not all of the revolutionary era figures were at the Constitutional Convention. For example, Patrick Henry and Samuel Adams did not attend, with Henry notably opposed to the centralization of government power. Thomas Jefferson and John Adams were also absent for diplomatic reasons, with Jefferson serving as an ambassador in France and Adams involved in financial negotiations in Europe. When addressing the student's schoolwork question, you would specify that out of the options provided, Patrick Henry was not one of the Founding Fathers who attended the Constitutional Convention or supported the Federalist cause.