Danish-American journalist and social reformer. b.1849 d.1914 American photographer of Danish birth. The son of a school-teacher and editor, he was well-educated when he came to the USA in 1870. He was a self-taught photographer and worked at a variety of jobs before becoming a journalist, and he understood the power of the written and illustrated word. Riis's work in journalism began in 1873 when he was employed by the New York News Association. By 1874 he was editor and then owner of the South Brooklyn News.