<P> James Madison Jr . ( March 16 , 1751 -- June 28 , 1836 ) was an American statesman and Founding Father who served as the fourth President of the United States from 1809 to 1817 . He is hailed as the `` Father of the Constitution '' for his pivotal role in drafting and promoting the United States Constitution and the Bill of Rights . </P>
<P> James Madison Jr . ( March 16 , 1751 -- June 28 , 1836 ) was an American statesman and Founding Father who served as the fourth President of the United States from 1809 to 1817 . He is hailed as the `` Father of the Constitution '' for his pivotal role in drafting and promoting the United States Constitution and the Bill of Rights . </P>
who became known as the father of the constitution
who became known as the father of the constitution
James Madison Jr .
James Madison Jr .