Who is the Virginia delegate to the Constitutional Convention he Hamilton and Jay authored The Federalist?

The Virginia delegate to the Constitutional Convention who, along with Alexander Hamilton and John Jay, authored "The Federalist" papers was James Madison. Often referred to as the "Father of the Constitution," Madison played a crucial role in the drafting of the document and was instrumental in promoting its ratification through "The Federalist" essays. These writings defended the principles of the new Constitution and addressed concerns of the Anti-Federalists.