Which founding figure signed the Constitution and is known as a prominent federalist?

The prominent federalist known for signing the Constitution is Alexander Hamilton. Hamilton played a crucial role in the drafting and ratification of the Constitution, advocating for a strong central government, which was a core principle of Federalism. He believed in the necessity of a robust federal structure to ensure stability and effective governance following the weaknesses observed under the Articles of Confederation. As one of the authors of the Federalist Papers, Hamilton worked tirelessly to promote the Constitution to the public and defend its principles. His contributions to establishing the financial foundations of the United States and his vision for a centralized economic policy further cemented his legacy as a leading figure of federalism.