Evidence for Quarks from Neutrino-Nucleon Scattering.- Direct Experimental Evidence for Constituents in the Nucleon from Electromagnetic Scattering Experiments.- Physics After ? and ?.- Protons Are Not Forever.- Gauge Hierarchies in Unified Theories.- Anomalies, Unitarity and Renormalization.- Charm Particle Production by Neutrinos.- Techniques to Search for Proton Instability to 1034 Years.- Charged and Neutral-Current Interference: The Next Hurdle for Weinberg-Salam.- The Quark Model Pion and the PCAC Pion.- Quark Model Eigenstates and Low Energy Scattering.- On the Equations of State in Many Body Theory.- Dyson Equations, Ward Identities, and the Infrared Behavior of Yang Mills Theories.- Instantons and Chiral Symmetry.- QCD and Hadronic Structure.- High Energy Predictions from Perturbative Q.C.D..- Perturbative QCD: An Overview.- Topics in the QCD Phenomenology of Deep-Inelastic Scattering.- Quantum Chromodynamics and Large Momentum Transfer Processes.- Testing Quantum Chromodynamics in Electron-Positron Annihilation at High Energies.- Spin Effects in Electromagnetic Interactions.- Very Recent Spin Results at Large P?2.- Hadroproduction of Massive Lepton Pairs and QCD.- Orbis Scientiae 1979, Program.- Participants.

The editors are pleased to submit to the readers the state of the art in high energy physics as it appears at the beginning of 1979. Great appreciation is extended to Mrs. Helga S. Billings and Mrs. Connie Wardy for their assistance with the conference and skillful typing of the proceedings which was done with great enthusiasm and dedication. Orbis Scientiae 1979 received some support from the Department of Energy. The Editors v CONTENTS Evidence for Quarks from Neutrino-Nucleon Scattering...... 1 F. Sciulli Direct Experimental Evidence for Constituents in the Nucleon from Electromagnetic Scattering Experiments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 . . . . . . . . . . Karl Berkelman Physics After T and T 79 A. Pais Protons Are Not Forever................................... 91 D. V. Nanopoulos Gauge Hierarchies in Unified Theories..................... 115 Itzhak Bars Anomalies, Unitarity and Renormalizatior................... 133 Paul H. Frampton Charm Particle Production by Neutrinos.................... 139 N.P. Samios 34 Techniques to Search for Proton Instability to 10 Years. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157 . . . . . . . . . . . .