Tumlir argues for a universal theory of gesture that transcends both the discipline of painting and the human sphereLos Angeles–based author Jan Tumlir's (born 1962) The Endless Line furnishes us with two complementary theories of gesture and aesthetics, reconciling the thoughts of such figures as Immanuel Kant and Clement Greenberg on one end with those of André Leroi-Gourhan and Gilbert Simondon on the other.