James Madison, Jr. (March 16, 1751 – June 28, 1836)  

James Madison was the father of the Constitution and fourth president
of the United States who notably authored the United States Bill of
Rights. When Madison left office in 1817, he retired to Montpelier, his 
tobacco plantation in Orange County, Virginia, not far from Jefferson’s
Monticello. He was 65 years old.

Statue of President James Madison in the Madison Building,
Library of Congress.

James Madison, Jr. (March 16, 1751 – June 28, 1836) is considered one of
the Founding Fathers of the United States. He was the principal author of the
U.S. Constitution, and is often called the "Father of the Constitution". He was 
the first president to have served in the U.S. Congress.

The United States ratified a peace treaty with England that ended the
Revolutionary War and established the US as a sovereign nation. John 
Adams, Thomas Jefferson, and James Madison took part in negotiating 
the treaty with King George lll.