Lynn D. Dierking is a Sea Grant professor in free-choice science learning, College of Science, Oregon State University. Her research focuses on youth, adults, and families in free-choice learning environments such as museums, libraries and community organizations. She received her Ph.D. in science education from the University of Florida, Gainesville. Address: 235 Weniger Hall, Corvallis, OR 97331. Email: dierkinl@science.oregonstate.edu