The Elementary Structure of Matter Proceedings of the Workshop, Les Houches, France, March 24–April 2, 1987

I Quarks and Hadrons.- Non-perturbative QCD on the Lattice.- From Lattice QCD to Nuclear Physics.- Frontiers of the Quark Model.- Heavy Multiquark States.- Stable Multiquark States.- Strong Decay of Baryons.- Resonating Group Method Applied to Hadrons.- Quark Confinement and Nuclear Dynamics.- The Cheshire Cat Principle Applied to Hybrid Bag Models.- Pion and Nucleon Structure: Low Energy Aspects.- Chiral Symmetry and Light Mesons.- Chiral Field Theories as Models for Hadron Substructure.- Strange Skyrmions.- Diquarks in Exclusive Reactions.- Diquark Clustering in Baryons.- Hadron Wave Functions with Condensate Induced Running Masses.- Vector Meson Interactions in the Effective Lagrangian.- Infrared Aspects of QCD.- Many-Body Techniques Applied to QCD and Aspects of Confinement.- Hadronic Reactions at Large Momentum Transfers.- Polarized Parton Distributions and the Magnitude of Spin Effects at Very High Energies.- II Annihilation.- NN Annihilation into Two Mesons.- Charged Two-Meson Production from NN Annihilation at Rest.- The S-, P-Wave Problem in NN ? ?? at Rest.- Spin-Dependent Observables in pp Elastic Scattering at Low Energy.- Antiproton-Nucleus Annihilation.- Search for Unusual Behavior in p?-Nucleus Annihilation at Rest.- III Structure Functions.- Nucleons in Nuclei from Quasi-Elastic Electron Scattering.- New Results on the EMC Effect.- Nuclear Effects in Quark and Gluon Distributions — Experimental Perspectives.- The EMC Effect and Related Issues.- IV Strangeness.- An Overview of Hypernuclear Physics.- Perspectives in Strange Particle Physics.- Hyperon-Hyperon Interaction and the H Particle.- V Relativistic Heavy Ions.- A Review of Quark-Gluon Plasma and High Energy Heavy Ion Collisions.- New Processes and Old Spin Physics.- Hot Strange Matter inRelativistic Nuclear Collisions.- First Results from the CERN Light Ion Program.- Perspectives on Heavy Ion Physics at CERN in the 1990s (or What Can We Gain from a Lead Beam?).- VI Axions.- The Emission of Isoenergetic Electron Positron Pairs from Very Heavy Ion-Atom Collisions.- to Axions.- VII Round Table on Future Medium Energy Accelerators.- A LEAR-like Option for Brookhaven.- The Scientific Program of a Multi-GeV cw Electron Accelerator.- European Proposals for a B-Factory.- Physics at Laboratoire National Saturne with MIMAS.- A Hadron Facility for Europe.- Physics at Super-LEAR.- Round Table Discussion on Future Accelerators: RHIC.- VIII Astrophysics.- Supernova Theory and 1987a (Shelton).- Particle Physics and Astrophysics.- IX Conclusions.- Theoretical Perspective.- Index of Contributors.