mcescher He drew the impossible Dutch artist known for his "impossible" drawings Artist with many mathematically inspired works Artist who was initially a rapper? Artist who drew impossible objects Artist who drew "Waterfall" and "Hand With Reflecting Sphere" Artist known for drawing "impossible objects" Optical illusion artist Illusionary illustrator Subject of an art museum in The Hague Perspective-bending artist Master of unfeasible construction Hofstadter subject, along with J.S. Bach and Kurt Gödel