Can a photograph change the world?

Photograph by Lewis W. Hine of a small spinner at Mollohan Mills, Newberry, S.C.: “She was tending her ‘sides’ like a veteran, but after I took the photo, the overseer came up and said in an apologetic tone that was pathetic, ‘She just happened in.’ Then a moment later he repeated the information. The mills appear to be full of youngsters that ‘just happened in,’ or ‘are helping sister.’ National Child Labor Committee/Library of Congress

Portraying injustices is not something novel. From the beginning of the twentieth century to present day, many photographers have been concerned about leaving their mark. But can we try to change the world – even make it a better place – through a photograph?