Marcel Duchamp (28 July 1887 – 2 October 1968; French pronunciation: [maʁsɛl dyˈʃɑ̃]) was a French artist whose work is most often associated with the Dadaist and Surrealist movements. Considered by some to be one of the most important artists of the 20th century, Duchamp's 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. Duchamp challenged conventional thought about artistic processes and art marketing, not so much by writing, but through subversive actions such as dubbing a urinal art and naming it Fountain. He produced relatively few artworks, while moving quickly through the avant-garde circles of his time. Marcel Duchamp was born in Blainville-Crevon Seine-Maritime in the Haute-Normandie region of France, and grew up in a family that enjoyed cultural activities. The art of painter and engraver Emile Nicolle, his maternal grandfather, filled the house, and the family liked to play chess, read books, paint, and make music together. Of Eugene and Lucie Duchamp's seven children, one died as an infant and