Elementary notions of photophysics, A. Tramer; theory of electron transfer reactions and comparison with experiments, R.A. Marcus and P. Siddarth; calculation of the lifetime of molecules in electronically excited states, S.D. Peyerimhoff; relativistic effects in molecular calculations, S.D. Peyerimhoff; spectroscopic techniques for organometallic intermediates, J.J. Turner; photochemistry involving Cr(CO)5 - still some puzzles, J.J. Turner; photochemistry of organo-metal carbonyls stereochemical and catalytic aspects, F.-W. Grevels; photochemistry of organometallics - quantum chemical approach, A. Veillard; photochemistry of metal-metal bonded carbonyls and its relationship to electron transfer chain catalysis, D.J. Stufkens et al; supramolecular photochemistry - antenna effect in polynuclear metal complexes, V. Balzani et al; photophysics of polynuclear complexes intercomponent energy and electron transfer processes, F. Scandola et al; rigid alkane-bridged donor-acceptor systems as tools for the investigation of solvent-, distance-, and conformation-effects in electron transfer processes, J.W. Verhoeven et al; spectroscopy of biliproteins and energy transfer in photosynthetic antenna complexes, S. Schneider; photosynthesis - biological conversion of light into chemical energy, P. Mathis; testing primary charge separation in photosynthetic reaction centres with external electric fields, A. Ogrodnik and M.E. Michel-Beyerle; examining long-distance biological electron transfer with synthetic model systems, J.L. Sessler et al; tutorial work - a miscellany of ab initio quantum chemistry - the helium atom studied by various methods, A. Strich.