Sol LeWitt’s series of 28 photographs, “A sphere lit from the top, four sides, and all combinations” might at first seem like a simple exercise in permutability, lacking much creativity or expressivity. Indeed, the aim of this series of images is not conventional “expressivity” or even originality. It is, in essence, an artistic compositional etude. What intrigues us in this exercise, ultimately elevating this set from the mundane to something we might consider artistic – tha