Library of Congress Historian Julie Miller shows letters between James Madison and Thomas Jefferson.

Library of Congress Curator Mark Manivong shows James Madison's copy of the Bill of Rights.

Context Travel guide Ben Rubin takes us to sites related to the Federalists Papers, where Alexander Hamilton worked, where they were published, and a tavern where they might have been read and discussed.

Mark Dimunation talked about The Federalist Papers. The collection of 85 essays by Alexander Hamilton, James Madison, and John Jay were written in 1787-88 to encourage the states to ratify the United States Constitution. The Federalist Papers continue to be cited in legislative and legal proceedings. This was a Constitution Week noon gallery talk for the "Creating the United States" exhibition in the Southwest Gallery of the Library of Congress.

Professor Robert Scigliano talked about the new edition of The Federalist, published by Modern Library, which he has edited with an introduction. The series of essays also known as The Federalist Papers were written in 1787 and 1788 by Alexander Hamilton, James Madison, and John Jay to promote ratification of the proposed Constitution.

Professor Elizabeth Cobbs Hoffman talked about Alexander Hamilton's role in the creation of the federal government. She described how, after the American Revolution, states operated as separate countries, which often caused problems. Alexander Hamilton, one of the authors of the Federalist Papers, argued during the Constitutional Convention for a strong central government to mediate between the states. This class was part of a course called "World History."

National Park Service Park Ranger Matthew Ifill tells the story of the Declaration of Independence and the Constitutional Convention from the room inside Independence Hall where the events took place.

Richard Brookhiser talked about the Constitutional Convention and the debate over whether to include a bill of rights in the founding document. When the Constitution was being drafted, James Madison - a member of Congress, an intellectual, and a politician extraordinaire - was initially skeptical that a "Bill of Rights" was necessary. But by 1789, after being lobbied by his dearest friend Thomas Jefferson, Madison was determined to include it. Celebrated historian Richard Brookhiser recounted the "Father of the Constitution's" evolution and how, after a hot summer of arguing and bargaining, he persuaded Congress to agree.

Professor Gordon Lloyd talked about the Constitutional Convention and the pamphlet war between the Federalists and the anti-Federalists. He spoke at the Ronald Reagan Presidential Library and Museum in Simi Valley, California.

Grove City College president Paul McNulty taught a class about the development of the U.S. Constitution and what he believes are its main principles: republicanism, the separation of powers, and federalism. Mr. McNulty served as deputy attorney general in the George W. Bush administration from 2006 to 2007.