Constance Classen is Visiting Scholar at McGill University, Canada and director of an interdisciplinary project on art, museums, and the senses. She is the editor of "The Book of Touch" (Berg, 2005), and the author of, among other works, "Worlds of Sense: Exploring the Senses in History and Across Cultures" (1993) and "The Color of Angels: Cosmology, Gender and the Aesthetic Imagination" (1998), as well as "The Deepest Sense: A Cultural History of Touch" (2012).