Fountain, 1917, by Marcel Duchamp, 1917, Alfred Stieglitz
«The precedents for conceptual artists of the 1960s and 1970, were created in the early twentieth century by French artist Marcel Duchamp (1887-1968). […] In 1917, the father of conceptual art – as he is often called – submitted a factory-made urinal to the Armory Show […] on the basis that art could be anything the artist designated it to be […]Today, only photographs remain of the original Fountain, taken by Alfred Stieglitz (1864-1946).»
