Gernot Böhme is Emeritus Professor of Philosophy at Darmstadt Technical University, Germany, and founder and director of the Institute for Practical Philosophy in Darmstadt. A.-Chr. Engels-Schwarzpaul (editor and translator) is Professor in Spatial Design and Postgraduate Studies at Auckland University of Technology - Te Wananga Aronui o Tamaki Makau Rau, in Auckland, Aotearoa/New Zealand.