“The advancement and diffusion of knowledge is the only guardian of true liberty.”

American statesman and diplomat

James Madison was an American statesman, diplomat, and political leader of the late 18th and early 19th centuries, and the fourth president of the United States, serving from 1809 to 1817. He is best known as a Founding Father and for his central role in shaping the Constitution and the Bill of Rights. Before becoming president, Madison helped draft and advance the Constitution of the United States, a role that earned him the title "Father of the Constitution." His public life was defined by constitutional government, the early republic, and the work of building the new nation.