Andy Warhol’s art is so deeply embedded in our culture that it’s hard to imagine the shock, astonishment and fascination it once evoked. He was at once funny and brilliant. His pop art was the purest, the sharpest, the wittiest – both the most direct and the most confusing. From the very beginning, his work hovered on the border between art and commerce, and he was able to blur the boundaries between the two more than any other artist – not without a reason was his studio called the Factory.