Sigmund Tobias is Distinguished Research Scientist at the Institute for Urban and Minority Education and Visiting Professor of Cognitive Studies in Education at Teachers College, Columbia University. His scholarly credentials include a long list authored, co-authored, and edited scholarly publications; grants; awards; invited addresses, and conference presentations. In addition, he is one of five former refugees who participated in the documentary film, Shanghai Ghetto, describing how a group of European Jews found safety from the Holocaust in Shanghai, China, during the Second World War, and which which won an Audience Choice Award at the Santa Barbara Film Festival. Tobias returned to Shanghai as a Visiting Professor at the Shanghai Institute of Education, where he began a memoir describing the life of his family in the refugee community in Shanghai. The book was subsequently published as Strange Haven: A Jewish Childhood in Wartime Shanghai. Thomas M. Duffy is the Barbara Jacobs Chair of Education and Technology at Indiana University and the founding director of the Center for Research on Learning and Technology. He is a professor in instructional systems technology and the cognitive science program. His academic career has been dedicated to exploring the design and use of information in education and the workplace. Professor Duffy has written or edited several books and is the author of over 100 papers on learning, performance, and technology. He and his colleagues have also developed the Ready Program (adult literacy instruction), Strategic Teaching Frameworks (multimedia, teacher professional development), and ACT, an asynchronous collaboration tool for small group problem solving.