The human imagination and fantasy allows to reach far ahead and to look for borders which one can tread only with faith and understanding. To be able to find not yet discovered worlds at all, one must also believe in them and above all one must find a way to be able to create them in your mind: The Visionaries & Philosophers presented here had this one vision of what may come. At the same time they had to face the basic philosophical and existential questions in order to be able to start from a well-founded foundation. These conceptual pillars are fed by the inventiveness, openness, foresight and wisdom of the great visionaries and thinkers of world literature. Technologies and visions meet metaphysics and existentialism and made their contribution to the invention of the future.