Harpo Marx for the name Adolph (as a child, he was routinely called "Ahdie" instead). The name change may have also happened because of the similarity between Harpo's name and Adolph Marks, a prominent show business attorney in Chicago. Urban legends stating that the name change came about during World War I due to anti-German sentiment in the US, or during World War II because of the stigma that Adolf Hitler imposed on the name, are groundless. His first screen appearance was in the film "Humor Risk" (1921), with his brothers, although according to Groucho, it was only screened once and then
Louis Marx for a Vermont-based manufacturer of wood toys, redesigned the product line, and increased the company's sales tenfold. In 1919 Marx and his brother David incorporated, founding the company that bore his name. Initially working as a middle man, Marx was soon able to purchase tooling to manufacture toys himself. When Strauss fell on hard financial times, Marx was able to buy the dies for two Strauss toys and turn them into best-sellers. By age 26, three years after founding his company, Marx was a millionaire. By utilizing techniques of mass production and reusing old designs as much as possible –