John H. Falk is a Sea Grant professors in free-choice science learning, College of Science, Oregon State University. His research focuses on youth, adults, and families in free-choice learning environments such as museums, libraries and community organizations. He has a joint doctorate in biology and education from the University of California, Berkeley. Address: 237 Weniger Hall, Corvallis, OR 97331. E-mail: falkj@science.oregonstate.edu