Constructive Quantum Field Theory from I to II. - Remarks on What We have Learned. - Renormalization Group. - Constructive Gauge Theory II. - The Beta-Function Method for Resummations in Field Theory. - Wess-Zumino-Witten Conformal Field Theory. - Two-Dimensional Conformal Field Theory and Three-Dimensional Topology. - Renormalization Theory and the Tree Expansion. - Critical Properties of Some Discrete Random Surface Models. - Quantum Physics and Gravitation. - Geometry of Supersymmetry. - Conformal Field Theory in String Theory. - Seminars. - Multiparticle Structure and Wilson Short-Distance Expansion in Field Theories. - Various Aspects of the Bethe-Salpeter Structure in Quantum Field Theory. - Supersymmetry Breaking in Wess-Zumino Models. - First Order Phase Transition in Large N Lattice Higgs Models and Pirogov Sinai Theory. - The Coleman-Weinberg Mechanism in the Abelian Lattice Higgs Model. - Quantum Solitons. Language: English