Ludwig Heinrich Edler von Mises (German pronunciation: [ˈluːtvɪç fɔn ˈmiːzəs]; September 29, 1881 – October 10, 1973) was an Austrian economist, historian, philosopher, author, and classical liberal who had a significant influence on the Austrian government's economic policies in the first third of the 20th century, the Austrian School of Economics, and the modern free-market libertarian movement.