He was a French, naturalized American painter, sculptor and writer whose work is associated with Dadaism and conceptual art, Duchamp is commonly regarded as one of the three artists who helped to define the revolutionary developments in the plastic arts in the opening decades of the twentieth century, responsible for significant developments in painting and sculpture. Duchamp has had an immense impact on twentieth-century and twenty first-century art. Duchamp wanted to put art back in the service of the mind.