Selected Aspects of Few-Cycle Laser Pulses and Nonlinear Optics -- The Lorentz Oscillator Model and Beyond … -- The Drude Free-Electron Model and Beyond … -- Lorentz Becomes Drude: Bound—Unbound Transitions -- Accounting for Propagation Effects -- Extreme Nonlinear Optics of Semiconductors and Isolators -- Extreme Nonlinear Optics of Atoms and Electrons.Following the birth of the laser in…