Reunion: Marcel Duchamp & John Cage

Marcel Duchamp's final public appearance before his death was a live chess game held at the Ryerson Theatre in Toronto, played against John Cage on a special board which was configured to adjust the tone of a connected synthesizer according to the position of the pieces. In this article, the principal designer of the board itself reflects on the performance and provides some diagrams, photographs, and other archival materials surrounding the event:

http://www.johncage.org/blog/cross_reunion.pdf