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
Influences on Karl Marx financiers to workers. It was Proudhon's book "What Is Property?" that convinced the young Marx that private property should be abolished. In one of his first works, "The Holy Family", Marx said: "Not only does Proudhon write in the interest of the proletarians, he is himself a proletarian, an ouvrier. His work is a scientific manifesto of the French proletariat". However, Marx disagreed with Proudhon's anarchism and later published vicious criticisms of Proudhon. Marx wrote "The Poverty of Philosophy" as a refutation of Proudhon's "The Philosophy of Poverty" (1847). In his socialism, Proudhon was followed by Mikhail Bakunin. After Bakunin's