Ronald Ernest Paul is an American author, activist, physician and retired politician who served as the U.S. representative for Texas's 22nd congressional district from 1976 to 1977 and again from 1979 to 1985, as well as for Texas's 14th congressional district from 1997 to 2013. On three occasions, he sought the presidency of the United States: as the Libertarian Party nominee in 1988 and as a candidate for the Republican Party in 2008 and 2012.

Ronald Ernest Paul was born on August 20, 1935, in Pittsburgh, the son of Howard Caspar Paul (1904–1997), who ran a small dairy company, and Margaret Paul (née Dumont; 1908–2001). His paternal grandfather emigrated from Germany and his paternal grandmother, a devout Christian, was a first-generation German American. He has four brothers.

As a junior at suburban Dormont High School, he was the 200-meter dash state champion. Paul went to Gettysburg College, where he was a member of the Lambda Chi Alpha fraternity. He graduated with a B.S. degree in Biology in 1957.