Marcel Duchamp was a pioneering French-American artist known for his influential role in the Dada and conceptual art movements. He challenged traditional notions of art through his unconventional approach, often using ready-made objects to question the nature and purpose of art itself. His works, such as "Fountain," which consisted of a urinal signed with a pseudonym, exemplified his belief that art could be defined by the artist's intent rather than the object’s aesthetic qualities....