Roger Lederer Ph DDr, Roger Lederer is Emeritus Professor of Biological Sciences at California State University, Chico, where he has taught for more than 30 years, including courses in ornithology, conservation, and ecology. Dr. Lederer has given many public presentatons and workshops, and has published more than 30 scientific papers and books, including two field guides to birds. Focusing on environmental education in recent years, Dr. Lederer served as the first Jack Rawlins Professor of Environmental Literacy at California State University, Chico. Read More Read Less