Marx Brothers "Duck Soup", with Lucy dressed up as Harpo. Lucy had worked with the Marxes when she appeared in a supporting role in an earlier Marx Brothers film, "Room Service". Chico once appeared on "I've Got a Secret" dressed up as Harpo; his secret was shown in a caption reading, "I'm pretending to be Harpo Marx (I'm Chico)". The Marx Brothers were spoofed in the second act of the Broadway Review "A Day in Hollywood/A Night in the Ukraine". In the 1989 film "Indiana Jones and the Last Crusade", Professor Henry Jones (Sean Connery) mails his diary to his son Indiana
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