This volume works explores a transferable theory of a specific social-psychological infrastructure, based on the work of Dr. Daniel Bar-Tal, that develops from cultures immersed in intractable conflicts. The book’s approach to this issue is different from approaches that are predominant in social psychology. This is because an important inspiration of many scholars that contributed to the book is their everyday experience of living in a region where intractable conflict shapes the life’s of everybody who lives there. On the basis of this experience and on the basis of extensive research, an elaborate theory of intractable conflict was developed that deals with the origin of such conflicts, the mechanisms that maintain them and the processes that may contribute to their peaceful solution. In light of recent research and developments, this volume demonstrates, analyzes and reviews the theory of a social-psychological infrastructure formed in societies with intractable conflicts. It explores the contents of these elements of the infrastructure, the processes through which they are acquired and maintained, their functions, the societal mechanisms that contribute to their institutionalization, as well as their role in the crystallization of social identity and development of a culture of conflict. By demonstrating that it can be applied to various kinds of intractable conflicts in various places of world, the volume argues that the theory is transferable and universal. Moreover, the volume aims to exhibit new connections and integrations between Bar-Tal’s theories and other prominent theoretical frameworks in social and political psychology. Presenting both a comprehensive overview of works that have been influenced by Bar-Tal’s theories and research, as well as a wide gate to future studies that will connect Bar-Tal’s work to recent theoretical developments in related domains, Understanding the Social Psychology of Intractable Conflicts: Celebrating the Legacy of Daniel Bar Tal is an important text for all those interested in developing a sustainable, peaceful world.