The longing for improvement and the fear of waste and worse - it is a pattern still with us, and maybe it speaks to the medium's essential marriage of light and dark, or as Mary Pickford put it in her autobiography (published in 1955), Sunshine and Shadow. Light and dark were the elements of film, and they had their chemistry in film's emulsion. They had a moral meaning, too. But not everyone appreciated that prospect, or credited how it might make your fortune.