Dorothy K. Washburn is a visiting scholar at the University of Arizona. She lives in Titusville, New Jersey. Donald W. Crowe is professor emeritus of mathematics, University of Wisconsin. Their book Symmetries of Culture received the George Wittenborn Book Award. Other contributors include Carrie Brezine, Patricia Daugherty, Mary Frame, Christine Franquemont, Ed Franquemont, Paulus Gerdes, Branko Gr¿nbaum, Frank Jolles, and Peter Roe.