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
Fountain (Duchamp) attack was a work of performance art that Marcel Duchamp himself would have appreciated. In 1993 Pinoncelli urinated into the piece while it was on display in Nimes, in southern France. Both of Pinoncelli's performances derive from neo-Dadaists' and Viennese Actionists' intervention or manoeuvre. From the 1950s, Duchamp's influence on American artists had grown exponentially. Life magazine referred to him as "perhaps the world's most eminent Dadaist", Dada's "spiritual leader", "Dada's Daddy" in a lengthy article published 28 April 1952. By the mid-50s his readymades were present in permanent collections of American museums. In 1961, Duchamp wrote a letter to