1. The Wave-Particle Duality 2. The Schrödinger Wave Equation 3. Operators and Waves 4. The Hydrogen Atom 5. Many-Electron Atoms 6. The Emergence of Masers and Lasers 7. Diatomic Molecules 8. Statistical Physics 9. Electronic Structure of Solids 10. Charge Carriers in Semiconductors 11. Semiconductor Lasers 12. The Special Theory of Relativity 13. The Relativistic Wave Equations and General Relativity 14. Particle Physics 15. Nuclear Physics