L.H.O.O.Q. and wrote "Moustache par Picabia / barbiche par Marcel Duchamp / avril 1942". As was the case with a number of his readymades, Duchamp made multiple versions of "L.H.O.O.Q." of differing sizes and in different media throughout his career, one of which, an unmodified black and white reproduction of the "Mona Lisa" mounted on card, is called "L.H.O.O.Q. Shaved". The masculinized female introduces the theme of gender reversal, which was popular with Duchamp, who adopted his own female pseudonym, Rrose Sélavy, pronounced "Eros, c'est la vie" ("Eros, that's life"). Primary responses to "L.H.O.O.Q." interpreted its meaning as being an attack
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