875295 Construction worker, Empire State Building, New York City, c.1930 (b/w photo) by Hine, Lewis Wickes (1874-1940); Private Collection; (add.info.: Lewis Wickes Hine (1874 ??1940) was an American sociologist and photographer. Hine used his camera as a tool for social reform. His photographs were instrumental in changing the child labor laws in the United States.); Prismatic Pictures ; American, out of copyright.