Eric Wise has been a college instructor for 15 years. Kenneth S. Saladin is Professor of Biology at Georgia College & State University in Milledgeville, Georgia, where he has taught since 1977. Ken teaches human anatomy and physiology, introductory medical physiology, histology, animal behavior, and natural history of the Galapagos Islands. He has also previously taught introductory biology, general zoology, sociobiology, parasitology, and biomedical etymology. Ken is a member of the Human Anatomy and Physiology Society, American Association of Anatomists, American Physiological Society, Society for Integrative and Comparative Biology, and American Association for the Advancement of Science. He is the author of the best-selling textbooks Anatomy & Physiology: The Unity of Form and Function and Human Anatomy. Ken and his wife Diane have two adult children.