Joshua P. Gutwill is Acting Director of Visitor Research at the Exploratorium science center in San Francisco. He is coauthor of the Exploratorium professional volume Fostering Active Prolonged Engagement and several articles on science education, museum evaluation and informal learning. He holds a Ph.D. from University of California, Berkeley. Sue Allen is Director of Visitor Research and Evaluation at the Exploratorium, a position from which she is on leave while serving as Program Director, Division of Research on Learning in Formal and Informal Settings, National Science Foundation. Allen is author of Finding Significance, and of multiple articles on science education, museum evaluation, and informal learning. She holds a Ph. D. from University of California, Berkeley.
