John Barell is Professor Emeritus of Curriculum and Teaching at Montclair State University, Montclair, NJ, and former public school teacher in New York City. For the past several years he has been a consultant for inquiry-based instruction and creation of science/social studies networks at the American Museum of Natural History in New York City. For most of his educational career he has worked with schools nationally to foster inquiry, problem-based learning, critical thinking, and reflection. Barell is the author of several books, including Teaching for Thoughtfulness: Strategies to Enhance Intellectual Development (1995, 2nd ed.) and Developing More Curious Minds (2003).