Joel Bennett Clark, better known as Bennett Champ Clark, was a Democratic United States senator from Missouri from 1933 until 1945, and was later a circuit judge of the District of Columbia Circuit. He was a leading isolationist in foreign policy. In domestic policy he was an anti-New Deal Conservative Democrat who helped organize the bipartisan Conservative coalition.

James Beauchamp Clark was an American politician and attorney who represented Missouri in the United States House of Representatives for thirteen terms between 1893 and 1921 and served as Speaker of the House from 1911 to 1919.