'Only those who attempt the absurd will achieve the impossible. I think it's in my basement... let me go upstairs and check' - MC Escher Escher, who started out as a graphic artist, brought art and maths together. His art added a human element to abstract mathematic ideas. Inspired first by the geometric art on the tiles at the Alhambra in Spain, and later by other visual illusions, like Roger Penrose’s Impossible Triangle and the Möbius Strip, a non-hierarchical ‘surface with one continuous side formed by joining the ends of a rectangle after twisting one end through 180°’, Escher became...