Murray Newton Rothbard (March 2, 1926 – January 7, 1995) was an American heterodox economist of the Austrian School, economic historian and political theorist. Rothbard was the founder and leading theoretician of anarcho-capitalism, a staunch advocate of historical revisionism and a central figure in the 20th-century American libertarian movement. He wrote over twenty books on political theory, revisionist history, economics, and other subjects.