The iconic Marilyn Diptych is one of the most influential art works in history. It is composed of 50 identical publicity images of Marilyn Monroe from the movie Niagara arranged on a diptych, a style used in religious imagery. There are many interpretations of this piece, but the most common is<span> "t</span><span>he celebrity is more than an icon in mass culture".</span>
One of the pioneers of this medium, Timothy O'Sullivan, started his career as a Civil War photographer. He toured throughout the Western United States with geological survey parties after the war.
