Renormalization of gauge theories -- Unified models of electromagnetic and weak interactions -- Osterwalder-Schrader positivity in conformal invariant quantum field theory -- Quantum gravity -- Quantum field theory and statistical mechanics -- Critical phenomena and the renormalization group -- Renormalization group solution of Ising spin models -- Covariant parton model -- Quark confinement in gauge theories of strong interactions -- Parton models for weak and electromagnetic interactions -- The relativistic string -- Fermi — bose — supersymmetry -- Strings, conductive and otherwise -- Hadron physics at ISR energies -- Review of results obtained at the cern intersecting storage rings.