The historical figure who famously co-authored the Federalist Papers was Alexander Hamilton, alongside James Madison and John Jay. Written between 1787 and 1788, these essays were intended to promote the ratification of the United States Constitution. Hamilton, the primary author of the majority of the papers, argued for a strong central government and discussed the importance of the checks and balances system. The Federalist Papers remain a critical resource for understanding the intent behind the Constitution and continue to be referenced in constitutional debates and legal interpretations today.