1. Introduction.- 2. The Theory of General Relativity: Einstein's Formulation.- 3. A Unified Field Theory.- 4. Quantum Mechanics from a Theory of Inertial Mass in Relativity.- 5. Electromagnetism.- 6. The Pauli Principle and Pair Creation/Annihilation.- 7. Atomic and Elementary Particle Physics.- 8. Astrophysics and Cosmology in General Relativity.