Joyce HemphillJoyce Hemphill has a doctorate in developmental psychology from The Ohio State University and 30 years experience teaching infant-child development, cognition, and learning. She organizes community play events, gives workshops on safe ways to play usng recyclable materials, and serves on the board of the American Association for the Child's Right to Play. Joyce retired from the University of Wisconsin School of Education in spring of 2012. Read More Read Less