Which founding father is known for his role in drafting the Constitution?

James Madison is recognized as the "Father of the Constitution" due to his pivotal role in the drafting and promoting of the document during the Constitutional Convention in 1787. He not only contributed to the framework of the Constitution itself but also played a significant part in its ratification through his advocacy in Federalist Papers, alongside Alexander Hamilton and John Jay. Madison's commitment to the principles of republicanism and his skillful balancing of federal powers helped shape the foundational structure of the U.S. government.

Other figures like Thomas Jefferson, who was abroad in France at the time, and John Hancock, known primarily for his bold signature on the Declaration of Independence, did not participate in the drafting. Alexander Hamilton, while also a key Founding Father and co-author of the Federalist Papers, was more focused on shaping economic policies and advocating for the federalist viewpoint than in the actual drafting process itself. Therefore, Madison’s substantial contributions and central role distinctly qualify him as the main architect of the Constitution.