Samuel Taliaferro Rayburn was an American politician who served as the 43rd Speaker of the United States House of Representatives. He was a three-time House Speaker, former House Majority Leader, two-time House Minority Leader, and a 24-term congressman, representing Texas's 4th congressional district as a Democrat from 1913 to 1961. He holds the record for the longest tenure as Speaker of the United States House of Representatives, serving for over 17 years.
Born in Roane County, Tennessee, Rayburn moved with his family to Windom, Texas, in 1887. After a period as a school teacher, Rayburn won election to the Texas House of Representatives and graduated from the University of Texas School of Law. He won election to the United States House of Representatives in 1912 and continually won re-election until his death in 1961, serving 25 terms all told. Rayburn was a protege of John Nance Garner and a mentor to Lyndon B. Johnson.
Rayburn was elected House Majority Leader in 1937 and was elevated to the position of Speaker of the House after the death of William B. Bankhead.