Dr. Douglas S. Glazier is an Emeritus Professor of Biology at Juniata College (Huntingdon, PA, USA). He earned a BS in Biology from Oakland University (Rochester, MI, USA) and a PhD in Ecology and Evolutionary Biology from Cornell University (Ithaca, NY, USA). His research interests include biological scaling, the functional biology and life history evolution of mammals and crustaceans, the animal ecology of freshwater springs, the ecology of land invasions, biological correlates of species' geographic ranges, and patterns of taxonomic diversity. He has published over 100 research articles and book chapters. He is a member of the editorial or advisory boards of Biology, Sci, Ecological and Evolutionary Physiology, and Journal of Comparative Physiology B.