Lyndon B. Johnson was a US representative [D-Texas] from April 1937 to January 1949; a US senator [D-Texas] from January 1949 to January 1961; Senate Majority Whip from January 1951 to January 1953; Senate Minority Leader from January 1953 to January 1955; Senate Majority Leader from January 1955 to January 1961; vice president of the United States from January 1961 to November 1963, and president of the United States from November 1963 to January 1969.