David Wood , W. Alton Jones Professor of Philosophy at Vanderbilt University, is the author or (co-)editor of eighteen books, including Eco- Deconstruction: Derrida and Environmental Philosophy ; Thinking Plant Animal Human ;Time after Time ; The Step Back: Ethics and Politics after Deconstruction ; and Thinking after Heidegger. He is also an earth-artist and Director of Yellow Bird Artscape in Tennessee.