Lyndon Baines Johnson, often referred to by his initials LBJ, was the 36th president of the United States, serving from 1963 to 1969. He had previously served as the 37th vice president from 1961 to 1963 under President John F. Kennedy. Johnson's presidency began following the assassination of President Kennedy. A Democrat from Texas, Johnson also served as a U.S. representative, U.S. senator and the Senate's majority leader. Johnson holds distinction as being one of the few presidents who served in all elected offices at the federal level.
Born in a farmhouse in Stonewall, Texas to a local political family, Johnson worked as a high school teacher and a congressional aide before winning election to the U.S. House of Representatives in 1937. Johnson won election to the United States Senate from Texas in 1948 after narrowly winning the Democratic Party's nomination. He was appointed to the position of Senate Majority Whip in 1951. He became the Senate Democratic leader in 1953 and majority leader in 1954. Johnson developed a reputation for his domineering personality.