SWG349392 Untitled (two girls in a factory), c.1908-12 (gelatin silver print) by Hine, Lewis Wickes (1874-1940); 11.4x15.8 cm; Private Collection; (add.info.: Photo by Lewis Hine from the records of the Children\'s Bureau, U.S. National Archives. Lewis Hine (1874-1940) is best known for his iconic photographs of exploited child workers in the early 1900s. He also is widely recognized for his photos of the Empire State Building??? construction and the Works Progress Administration project, which studied changes in industry and their effect on employment. ); Courtesy of Swann Auction Galleries; American, out of copyright.