Is Critical Theory a part of our knowledge we can access just in a kind of museum of history of ideas, or is Critical Theory a living part of our culture on which we can still rely in order to understand and (re)orient our society? To answer this basic question, and many others, and also to shed some light on what seems to be a recent abuse of the term “critical”, in this issue will be addressed, under different points of view, the meaning of the expression Critical Theory. The papers here collected are divided in an English and an Italian section, to facilitate the reader who is confident, or prefers, only one of these languages. In both sections, Critical Theory is addressed in a twofold way: as regards its origins in the so-called Schoo...