Neil B. Greenberg. Neil Greenberg is Professor Emeritus, Department of Ecology and Evolutionary Biology, The University of Tennessee, Knoxville. His PhD is from Rutgers University in psychology and zoology. After five years as a post-doctoral fellow and research ethologist conducting research in behavioral neurology at the National Institute of Mental Health, he joined the faculty at Tennessee, where he continued research, taught, and directed a large curriculum revision in integrative biology; subsequently he became chair of the campus-wide University Studies Interdisciplinary Faculty and Curriculum Development Program. He was elected a Fellow of the American Association for the Advancement of Science for his interdisciplinary efforts on behalf of biology and the humanities. He remains active in teaching.