This book is the first to describe a very successful objective unified field theory which emerged in 2003 and which is already mainstream physics - Einstein Cartan Evans (ECE) field theory. The latter completes the well known work of Einstein and Cartan, who from 1925 to 1955 sought to unify field theory in physics with the principles of general relativity. These principles are based on the need for objectivity in natural philosophy, were first suggested by Francis Bacon in the sixteenth century and developed into general relativity in about 1915. In this year, using Riemann geometry, Einstein and Hilbert independently arrived at an objective field equation for gravitation. Since then there have been many attempts to unify the 1915 gravitational theory with the other three fundamental fields: electromagnetism, the weak and strong fields. In this sixth volume ECE theory is established as the only correct theory of natural philosophy at present. The standard model of physics is shown to be erroneous fundamentally in its gravitational and electromagnetic sectors because of its neglect of spacetime torsion. In the papers of this volume, the ECE theory is extended systematically to encompass several internationally acknowledged and fundamental discoveries in the natural sciences and engineering, cosmology and mathematics. These discoveries are based on relatively simple methods and have been accepted by the scientific community in several disciplines. The standard model of physics is obsolete dogma, and no longer has scientific meaning.