Near the bottom of page 42 of a small Jasper Johns sketchbook from 1963–1964, between two similarly dense observations about art, is a kind of Albert Einstein axiom of aesthetics. Johns, then 33, almost a decade away from creating his art-history-altering American flag and at an apex of thinking about art at the time, penned a post-Duchampian E = Mc2 theorem that delineated an artistic universe and that could also could fit on the... More >>>