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 vie" ("to make a toast to life"). Sélavy emerged in 1921 in a series of photographs by Man Ray showing Duchamp dressed as a woman. Through the 1920s Man Ray and Duchamp collaborated on more photos of Sélavy. Duchamp later used the name as the byline on written material and signed several creations with it. Duchamp used the name in the title of at least one sculpture, "Why Not Sneeze Rose Selavy?" (1921). The sculpture, a type of readymade called an assemblage, consists of an oral thermometer, a couple of dozen small cubes of marble resembling sugar cubes and a