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 cuttlefish bone inside a birdcage. Sélavy also appears on the label of "Belle Haleine, Eau de Voilette" (1921), a readymade that is a perfume bottle in the original box. Duchamp also signed his film "Anemic Cinema" (1926) with the Sélavy name. The inspiration for the name Rrose Sélavy has been thought to be Belle da Costa Greene, J.P. Morgan's librarian at The Morgan Library & Museum (formerly The Pierpont Morgan Library) who, following his death, became the Library's director, working there for a total of forty-three years. Empowered by J.P. Morgan, and then by his son Jack, Greene built the