Alexander Hamiltonย (1757โ1804), now immortalized in the eponymous Broadway musical, was an American Founding Father and an influential interpreter and promoter of the US Constitution.ย As the original US Treasury Secretary, he was the main author of George Washingtonโs economic policies, founding the nationโs financial system. Mobilizing a nationwide network of friends of the government, especially bankers and businessmen, he went on to establish the Federalist Party, the US Coast Guard, andย The New York Post. Hamilton was active in ending the international slave trade and died after a duel with the US Vice President Aaron Burr.James Madison (1751โ1836) was the fourth US President and is hailed as the โFather of the Constitutionโ for his pivotal role in drafting and promoting the supreme law of the United States, including the Bill of Rights. As Thomas Jeffersonโs Secretary of State, he supervised the Louisiana Purchase, which doubled the nationโs size. Madison succeeded Jefferson as President in 1809, was re-elected in 1813, and presided over renewed prosperity for several years.John Jay (1745โ1829) was the first Chief Justice of the United States. During and after the American Revolution, he was the US ambassador to Spain, a negotiator of the Treaty of Paris by which Great Britain recognized American independence, and the Secretary of Foreign Affairs. His major diplomatic achievement was the 1794 Treaty of London, in which favorable trade terms with Great Britain were negotiated. As a leader of the Federalist Party, Jay became governor of New York state, where he was the leading opponent of slavery. By signing the 1799 โAct for the Gradual Abolition of Slaveryโ into law, he granted all slaves in New York freedom by the year 1827.