Harpo Marx York accent his entire life. According to those who personally knew him, Harpo's voice was much deeper than Groucho's, but it also sounded very similar to Chico's. His son, Bill, recalled that in private Harpo had a very deep and mature soft-spoken voice, but that he was "not verbose" like the other Marx brothers; Harpo preferred listening and learning from others. Harpo's final public appearance came on January 19, 1963 with singer/comedian Allan Sherman. Sherman burst into tears when Harpo announced his retirement from the entertainment business. Comedian Steve Allen, who was in the audience, remembered that Harpo spoke for
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