This e-seminar was produced by Columbia Digital Knowledge Ventures (DKV) at Columbia University. Columbia DKV fosters the global exchange of information and ideas through the creation of innovative digital learning resources. Vivian Ducat -- Senior Editor Kathryn Brown -- Project Manager Wendy Cown -- Information Architect Mercedes Curutchet, Carlos Zambrano, and Chris McKenna -- Video Producers David Frey -- Web Developer Brian Hoffman -- Information Architect Lewanne Jones -- Rights and Research Specialist Carey Otto -- Production Artist Luis Violante -- Senior Interactive Designer Trent Williams -- Designer Vincent Aliberto -- Video Director Kathryn Pope -- Research and Rights Manager Jason Fox -- Senior Director, Creative and Production Services David Millman -- Senior Director, IT Services Kate Wittenberg -- Senior Director, E-Publishing Todd Hardy -- Executive Director and President Special thanks to Felice Rosan (Columbia University) for her support and initiative in the development of this e-seminar. Thank you to the many people and organizations that provided this e-seminar with material or support.