Willem B. Drees is professor of philosophy of religion and ethics at Leiden University, the Netherlands, President of ESSSAT, and author of Religion, Science and Naturalism" (Cambridge UP, 1996), and Creation: From Nothing until Now" (Routledge, 2001). Zbigniew Liana is Lecturer of Philosophy of Science, Pontifical Academy of Theology.
Hubert Meisinger, Ph.D., is director for environmental affairs at the Center Social Responsibility in Mainz, associate director of studies for science and theology at the Protestant Academy Arnoldshain, associate lecturer in Systematic Theology at Darmstadt University of Technology and Vice-President of ESSSAT. He wrote a study on theological and sociobiological views of altruism: Liebesgebot und Altruismusforschung" (Vandenhoeck&Ruprecht, 1996) and co-edited Physik, Kosmologie und Spiritualitat" (Lang, 2006).
