Alois Riegl's art history has influenced thinkers as diverse as Erwin Panofsky, Georg Lukacs, Walter Benjamin, Paul Feyerabend, Gilles Deleuze, and Felix Guattari. One of the founders of the modern discipline of art history, Riegl is best knows for his theories of representation. Yet his inquiries into the role of temporality in artistic production--including his argument that art conveys a culture's consciousness of time--show him to be a more wide-ranging and influential commentator on historiographical issues than has been previously acknowledged. In