Randal Howard Paul is an American politician serving as the junior United States senator from Kentucky since 2011. A member of the Republican Party, he is a son of former three-time presidential candidate and 12-term U.S. representative from Texas, Ron Paul. Paul describes himself as a constitutional conservative and supporter of the Tea Party movement. He has also described himself as libertarian-leaning like his father Ron Paul.

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.