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Charles A. S. Hall was born in Eastern Massachusetts in 1943, attended Colgate University, then Penn State University for a Masters in Ecology, then a PhD in Systems Ecology under Howard Odum at the University of North Carolina.\\xa0 He was professor at Cornell University, University of Montana and SUNY College of Environmental Science and Forestry.\\xa0 He is author, coauthor or editor of 14 books and 300 scientific papers, many in our leading scientific journals. Dr. Hall is noted especially for the concepts of Energy Return on Investment and BioPhysical\\xa0 Economics, both applying the natural sciences to what is traditionally studied with conventional economics.\\xa0 Currently he is retired and lives in Western Montana with his wife and their dog, but is very involved in developing a BioPhysiccsl Economics Institute. \\xa0