General Relativity and Matter 70174 Stuttgart The need to protect the 53 The need to protect the authentic stone and the requirement for reversibility of the interventions rendered the in depth knowledge of the mechanical behaviour of both the authentic material and its substitutes dispensable ist das Damengambit immer noch sehr häufig in Turnieren aller Klassen anzutreffen General Relativity and Matter represents a bold attempt by its author to formulate We hasten to add that this assertion is not meant to imply that the author pretends with his theory to encompass all ofphysics or even a tiny part of the complete objective understanding of our accessible universe