Pushkar K Pradhan is Professor of Geography at Tribhuvan University (TU), Kathmandu, Nepal. He has gained over three and half decades of professional experience in teaching, research and publication. He has earned his PhD degree from the Institute of Geography and Regional Science at Klagenfurt University, Austria, a MSc in Rural and Regional Development Planning from Asian Institute of Technology, Thailand, and a MA in Geography from TU, Nepal. He has published 38 research papers and books nationally and internationally and participated in over three dozen international and national seminars. He has held lead positions and has been a member of over six dozen research projects and consulting works with the national, international and multilateral agencies.Walter Leimgruber is an emeritus professor of the University of Fribourg, Switzerland, where he taught human and regional geography from 1982 to 2009. He presided the Swiss Geographical Society andAssociation of Swiss Geographers (1987-1989) and was chair of the IGU Commission on Evolving Issues of Geographical Marginality in the Early 21st Century World (2000-2004). Currently he serves as secretary of the IGU Commission on Marginalization, Globalization and Regional and Local Response. His research focused on boundaries and transborder relations and on mountains and marginal regions. He has authored or co-authored 11 books, 48 book chapters and over 80 articles.