Danish-American Social Reformer, "muckraking" Journalist, Social Documentary Photographer, and Contributor to Urban Reform in America at the Turn of the Twentieth Century

: A Danish-American social reformer, "muckraking" journalist and social documentary photographer. He contributed significantly to the cause of urban reform in America at the turn of the twentieth century. He is known for using his photographic and journalistic talents to help the impoverished in New York City; those impoverished New Yorkers were the subject of most of his prolific writings and photography. (From: Wikipedia.org.)