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 gas lamp in the air against a landscape backdrop. Duchamp had worked secretly on the piece from 1946 to 1966 in his Greenwich Village studio while even his closest friends thought he had abandoned art. The torso of the nude figure is based on Duchamp's lover, the Brazilian sculptor Maria Martins, with whom he had an affair from 1946 to 1951. Duchamp died suddenly and peacefully in the early morning of 2 October 1968 at his home in Neuilly-sur-Seine, France. After an evening dining at home with his friends Man Ray and , Duchamp retired at 1:05 A.M., collapsed in