Bon Ku, MD, a practicing emergency physician, is Marta and Robert Adelson Professor of Medicine and Design at Sidney Kimmel Medical College at Thomas Jefferson University, where he is also Director of the Health Design Lab. Ellen Lupton is Senior Curator of Contemporary Design at Cooper Hewitt, Smithsonian Design Museum, in New York, and Director of the Graphic Design MFA program at Maryland Institute College of Art. She is the author of Beautiful Users, Design Is Storytelling, The Senses: Design Beyond Design, and other books.