He was a strong advocate of Natural Rights and freedom of speech. He graduating from Harvard Law School in 1877, were he co-wrote the famous article "The Right to Privacy," in 1890. As a leading lawyer in Boston he supported the union movement, women's rights and an increase in the minimum wage; he fought monopolistic railroads. In 1916 he was appointed to the United States Supreme Court, and was confirmed despite strong conservative opposition. He served until 1939. Although a supporter of government intervention and some of Franklin Roosevelt's New Deal he opposed bigness and argued that the National Recovery Administration was unconstitutional. He is most famous for opposing big business and defining the right to privacy.