Dr. Aldino Bondesan is an assistant professor at the Department of Historical and Geographical Sciences, and the Ancient World, University of Padua. where he teaches Environmental Geology, Physical Geography, Geomorphology, Geological Surveying and Landscape Analysis, among other subjects. Dr. Bondesan has developed expertise in Military Geography and Geology, and has also performed research on fluvial geomorphology, glaciology and glacial morphology in the Italian Alps and in polar region, desert geomorphology, geological mapping, karstology, geoarchaeology, geophysics and coastal dynamics. He is currently president of the Italian Society of Military Geography and Geology and a Research Fellow in the Department of Military Geography, Faculty of Military Science, University of Stellenbosch (South Africa).   Dr. Judy Ehlen has BA and MA degrees in Geology and a BA in German from the University of Oregon, an MA in History from George Mason University, and aPh.D. in Geography from the University of Birmingham (UK). Before retirement in 2005, she worked for the US Army Corps of Engineers for more than 30 years in research related to image analysis of the geologic properties of terrain with respect to military needs. Since retiring, her research has concentrated on military geoscience, particularly the analysis of how terrain affects the outcome of historical battles, editing and reviewing.