born Sept. 26, 1874, Oshkosh, Wis., U.S.
died Nov. 3, 1940, Hastings-on-Hudson, N.Y.
U.S. photographer.
He was trained as a sociologist. In 1904 he began to photograph immigrants at Ellis Island and the tenements and sweatshops where they lived and worked. In 1911 he was hired by the National Child Labor Committee to record child labour conditions. Traveling throughout the East, he produced appalling pictures of exploited children. In World War I he worked as a photographer with the Red Cross. On returning to New York City, he photographed the construction of the Empire State Building . For the rest of his life he photographed government projects.