Michael Craig-Martin https://www.youtube.com/watch?v=Bw5R3WkIMmA https://www.youtube.com/watch?v=nmGLo9wgEok https://www.youtube.com/watch?v=Xd7w8X0Ym9o https://www.tate.org.uk/context-comment/video/artist-talk-rules-and-repetition-michael-craig-martin https://www.youtube.com/watch?v=ofTNcO-H4y0