There is no unique and definitive definition of phenomenology. It is rather a method and an experience always open and always renewing itself. Phenomenology involves a change in the "sense of the world": everything acquires its sense and value only when it becomes the content of the lived experience of the subject correlated to his intentional acts. This is the main thesis of the phenomenological method aiming at overcoming the traditional opposition between rationalism and empiricism. Starting from Husserl, the father of this approach, the history of phenomenology undertook different and unexpected developments which in some cases were rather far away from Husserl's original thought. In the U.K. attention has been given to an ana...