Marx Brothers "The Cocoanuts" (1925–1926) and "Animal Crackers" (1928–1929). Playwright George S. Kaufman worked on the last two and helped sharpen the brothers' characterizations. Out of their distinctive costumes, the brothers looked alike, even down to their receding hairlines. Zeppo could pass for a younger Groucho, and played the role of his son in "Horse Feathers". A scene in "Duck Soup" finds Groucho, Harpo, and Chico all appearing in the famous greasepaint eyebrows, mustache, and round glasses while wearing nightcaps. The three are indistinguishable, enabling them to carry off the "mirror scene" perfectly. The stage names of the brothers (except Zeppo) were
Karl Marx and the Close of His System Karl Marx and the Close of His System Karl Marx and the Close of His System () is a critique of Karl Marx's economic theories by the Austrian economist Eugen Böhm von Bawerk, published in English translation in 1898. Böhm von Bawerk's work first appeared in 1896, in "Staatswissenschaftliche Arbeitern: Festgaben für Karl Knies", a collection of essays in honor of the German economist Karl Knies. It was published as a separate work later in 1896, and appeared in Russian translation in 1897 and in English translation in 1898. Bawerk provides a critique of Marx's "Capital". Examining Marx's theory of