One of the great myths of our time is that humans “see like a camera”. Photography is widely believed to be a major force in the demise of academic figurative traditions in the visual arts and in the birth of modernism. Humans do not see like camera, however, and before the invention of photography artists never felt responsible for replicating nature. Perspective illusions are the outward projection of human experience and imagination from the back of the eye onto surfaces in the physical world. Wenner will discuss the history of illusion and demonstrate the mathematical solutions to ancient problems in depiction.