Prof. Dietrich Mossakowski is retired Professor for Evolutionary Biology at the former Institute for Ecology and Evolutionary Biology of the University of Bremen, Germany. His scientific research focused on the morphology, phylogeny, and phylogeography of carabid beetles, and the ecology of raised bogs and salt marshes.
Prof. Ulrich Irmler is retired Professor of the Institute of Ecosystem Research at the University of Kiel, Germany. His research focused on soil biology, entomology, and nature conservation. He was involved in several research projects on the salt marshes of Lower Saxony and Schleswig-Holstein and the beaches of Schleswig-Holstein. Furthermore, his research interests included tropical ecology (Brazil), as well as forest, grassland, and organic farming ecology.