This Volume of Annals of Theoretical Psychology highlights the fact that the flourishing aftermath of both Freud’s and Lacan’s ideas still exist. This is done in different ways. Some papers focus on rereading core texts of Freud and Lacan. Others apply Freud’s and Lacan’s principles in a new and contemporaneous actuality. Others again, transform and develop some of the core principles in psychoanalysis, whereas others discuss the scientific principles that lie behind psychoanalysis. This book will be important for scholars interested in psychoanalysis in general. The readers should be both clinicians and others interested in psychoanalysis all over the world.