Gabriele Veneziano: A Concise Scientific Biography and an Interview.- An Unpublished Draft by Gabriele Veneziano (1973): \"Non-local Field Theory Suggested by Dual Models\".- Dual Resonance Models and String Theory.- The Birth of the Veneziano Model and String Theory.- The Birth of String Theory.- The Beginning of String Theory: A Historical Sketch.- The Little Story of an Algebra.- Perturbative QCD.- Parton Densities: A Personal Retrospective.- Infrared-sensitive Physics in QCD and in Electroweak Theory.- From QCD Lagrangian to Monte Carlo Simulation.- Fracture Functions.- Non-perturbative QCD.- Coherence and Incoherence in QCD Jets Dynamics (QCD Jets and Branching Processes).- The U(1)A Anomaly and QCD Phenomenology.- Planar Equivalence 2006.- Supersymmetric Guage Theories.- Instantons and Supersymmetry.- The Magnetic Monopoles Seventy-five Years Later.- String dualities and symmetries.- Novel Symmetries of String Theory.- Threshold Effects Beyond the Standard Model.- Dualities in String Cosmology.- Spontaneous Breaking of Space-Time Symmetries.- String/Quantum Gravity, Black Holes and Entropy.- The Information Paradox.- Cosmological Entropy Bounds.- Extremal Black Holes in Supergravity.- Expectation Values and Vacuum Currents of Quantum Fields.- String Cosmology.- Dilaton Cosmology and Phenomenology.- Relic Gravitons and String Pre-big-bang Cosmology.- Magnetic Fields, Strings and Cosmology.- Cosmological Singularities and a Conjectured Gravity/Coset Correspondence.- Brane Inflation: String Theory Viewed from the Cosmos.