Ludwig von Mises, Austrian-American economist, sociologist, and philosopher (died 1973)

Ludwig Heinrich Edler von Mises was an Austrian-American political economist and philosopher of the Austrian school. Mises wrote and lectured extensively on the social contributions of classical liberalism and the central role of consumers in a market economy. He is best known for his work in praxeology, particularly for studies comparing communism and capitalism, as well as for being a defender of classical liberalism in the face of rising illiberalism and authoritarianism throughout much of Europe during the 20th century.

September 29 is the 272nd day of the year in the Gregorian calendar; 93 days remain until the end of the year.