Franz Hölker
Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB),
PD (Assoc. Prof.) for Zoology at the Freie Universität Berlin (FU), Germany

Sabine Frank, B.A.
Cultural Science Coordinator of the International Dark Sky Reserve UNESCO Biosphere Rhön, Fulda, Germany

Luciano Massetti
Institute of Biometeorology, National Research Council of Italy, Florence, Italy

Andrea Giacomelli
Attivarti.org, Torniella, Italy

Elena Maggi
Department of Biology, University of Pisa, Italy