Marcel Duchamp and the urinal that changed art

<p>In October 1942, the great French conceptualist artist Marcel Duchamp helped put on the first major surrealist exhibition in New York. </p><p>Carroll Janis's parents were friends of Duchamp.</p><p>Louise Hidalgo spoke to him in October 2016 about the exhibition, the man and his art, including his famous urinal, Fountain.</p><p>Eye-witness accounts brought to life by archive. Witness History is for those fascinated by and curious about the past. We take you to the events that have shaped our world through the eyes …