Frans de Waal has spent four decades at the forefront of animal research and was named one of Time magazine’s 100 Most Influential People. The author of "Are We Smart Enough to Know How Smart Animals Are?," among many other works, he is the C. H. Candler Professor in Emory University’s Psychology Department and director of the Living Links Center at the Yerkes National Primate Research Center.
de Waal's new book, "Mama's Last Hug: Animal Emotions and What They Tell Us about Ourselves," explores the rich emotional lives of animals.