Henri Bergson is generally recognized as one of the most influential philosophers in the history of historical avant-gardism. Nevertheless, it has been widely neglected that Bergson’s philosophy also played a crucial role for the radically new concept of art that Marcel Duchamp developed based on his critical attitude towards the avant-gardes. First and foremost, this is apparent in view of Duchamp’s paintings The Passage from Virgin to Bride and Bride of 1912, as they both feature an idea of transition laying the foundation for his Large Glass and associated works. But there is also another cross-connection that one wouldn’t expect at the first glance. As this paper argues, Duchamp paradoxically also draws on Bergson’s ideas with his ready...