L.H.O.O.Q. a late interview (Schwarz 203), Duchamp gives a loose translation of "L.H.O.O.Q." as "there is fire down below". Francis Picabia, in an attempt to publish "L.H.O.O.Q." in his magazine 391 could not wait for the work to be sent from New York City, so with the permission of Duchamp, drew the moustache on Mona Lisa himself (forgetting the goatee). Picabia wrote underneath "Tableau Dada par Marcel Duchamp". Duchamp noticed the missing goatee. Two decades later, Duchamp corrected the omission on Picabia's replica, found by Jean Arp at a bookstore. Duchamp drew the goatee in black ink with a fountain pen,
Marcel Duchamp his studio, and died of heart failure. Duchamp was an atheist. He is buried in the Rouen Cemetery, in Rouen, France, with the epitaph, "D'ailleurs, c'est toujours les autres qui meurent" ("Besides, it's always the others who die"). Many critics consider Duchamp to be one of the most important artists of the 20th century, and his output influenced the development of post–World War I Western art. He advised modern art collectors, such as Peggy Guggenheim and other prominent figures, thereby helping to shape the tastes of Western art during this period. He challenged conventional thought about artistic processes and rejected