Arkady Plotnitsky is a Professor of English and Director of Theory and Cultural Studies at Purdue University.  His most recent books include The Knowable and the Unknowable: Modern Science, Nonclassical Theory, and Two Cultures (University of Michigan Press, 2002), a coedited volume (with Tilottama Rajan), Idealism without Absolute: Philosophy and Romantic Culture (SUNY, 2004), and the forthcoming Reading Bohr: Physics and Philosophy (Berlin: Springer, 2005).