Marcel Duchamp the Broken Arm", followed soon after. His "Fountain", a urinal signed with the pseudonym "R. Mutt", shocked the art world in 1917. "Fountain" was selected in 2004 as "the most influential artwork of the 20th century" by 500 renowned artists and historians. In 1919, Duchamp made a parody of the "Mona Lisa" by adorning a cheap reproduction of the painting with a mustache and goatee. To this he added the inscription "L.H.O.O.Q.", a phonetic game which, when read out loud in French quickly sounds like ""Elle a chaud au cul"". This can be translated as "She has a hot ass,"
Marcel Duchamp Duchamp's "Étant donnés" tableau, "The Large Glass" was thought to have been his last major work. Duchamp's interest in kinetic works can be discerned as early as the notes for "The Large Glass" and the "Bicycle Wheel" readymade, and despite losing interest in "retinal art," he retained interest in visual phenomena. In 1920, with help from Man Ray, Duchamp built a motorized sculpture, "Rotative plaques verre, optique de précision" ("Rotary Glass Plates, Precision Optics"). The piece, which he did not consider to be art, involved a motor to spin pieces of rectangular glass on which were painted segments of a