PLENARY LECTURES: Applications of Mass Spectrometry in Biology, Pharmacology and Medicine; Mechanistic Aspects of Organic Mass Spectrometry as Exemplified by the Experimental/Theoretical Study of Ionized Keto/Enol Tautomers; Instrumentation in Mass Spectrometry; Developments in the Theory of Mass Spectrometry; The Physical Chemistry of Ion Reactions, Clusters and Macromolecules; KEYNOTE LECTURES: GC/MS Employed with Chemical Ionization Sources for Studies of Positive and Negative Ions; Mass Spectrometry in Geo- and Cosmo- Chemistry; Fragmentation Studies by Means of Translational Spectroscopy; Mass Spectrometric Studies of Halley's Comet; 14C Dating by Mass Spectrometry; Mass Spectrometric Studies at High Temperatures Using the Knudsen-Cell Method; Stereo-Electronic Factors in Mass Spectrometry; Investigation of the Structures of Large Molecules with Special References to Glycoconjugates; Analysis of Inorganic Solids and Solutions by Plasma-Source Mass Spectrometry; Ion Thermochemistry and Energetics, a Convergence of Theory and Experiment; Ionization Methods in Mass Spectrometry; Secondary Ion Mass Spectrometry; Ab-Initio Calculations on Positive Ions; Low-Energy Ion/Molecule Reactions; The Combination of Liquid Chromatography and Mass Spectrometry; Superaccurate Determination of Atomic Masses by Ion Cyclotron Resonance; Photodissociation of Ions; Cluster Ions; Quantitative Mass Spectrometry in the Biomedical Sciences; Application of Fourier Transform Ion Cyclotron Resonance in Analytical and Ion Chemistry Studies; Charge-Permutation Reactions; Charge-Stripping Reactions of High- Energy Ions; Tandem Mass Spectrometry; Laser Microprobe Mass Analysis for Microscopical Characterisation; Desorption Techniques in Bio-Medical and Pharmaceutical Research; The Influence of Internal Energy on Unimolecular and Bimolecular Ion/Molecule Reactions; Negative Ions; Stable Isotopes in the Life Sciences.