The manipulation of photographic imagery is as old as photography itself, but the modernist conception of photomontage was a radical extension of techniques and creative attitudes that first emerged in Cubist, Futurist and Dadaist collage, in which cut-out photographs and fragment of newsprint from illustrated journals were pasted into drawings and paintings. This method of combining and manipulating photographic elements was developed towards the end of the FirstWorldWar by Dadaists in Be...