Ph.D., University of Tennessee, Knoxville
Emeritus Professor of Biology. Walker served as the graduate program director for the Department of Biology for many years. Walker's research interests are in two areas of plant ecology. Most of his laboratory-based research has been in the area of plant population genetics. The population genetics of rare, restricted and disjunct plant species in the southern Appalachians has been a field of investigation that has interested him for many years.
