Who is often credited as the principal author of the Constitution?

James Madison is often credited as the principal author of the Constitution due to his significant role in its drafting and his extensive notes taken during the Constitutional Convention in 1787. Madison's contributions went beyond mere drafting; he was a strong proponent of a strong central government and played a key role in the debate over the Constitution's ratification. His writings, particularly in "The Federalist Papers," alongside Alexander Hamilton and John Jay, elucidated the principles behind the Constitution and defended it against criticisms. Madison's vision and understanding of governance influenced the structure and substance of the Constitution, solidifying his reputation as its "Father." This comprehensive involvement in both the creation and advocacy for the Constitution justifies his recognition as the principal author.