Winfried Lampert is Director Emeritus at Max Planck Institute for Limnology, Ploen, Germany, and is a Honorary Professor at the University of Kiel. He received the Naumann-Thienemann medal of the International Society of Limnology in 1995. Before his appointment to the Max Planck Society he worked at the universities at Freiburg, Constance and Frankfurt were he developed his experimental, evolutionary approach to plankton ecology. Ulrich Sommer is Full Professor of Biological Oceanography, Leibniz-Institute of Marine Sciences, University of Kiel, Germany. His background is originally in ...