Chris Maycock obtained his PhD in 1978 from theUniversity of Newcastle-upon-Tyne (UK). His Post-doctoral studies were made at Gif-sur-Yvette (France) with Prof. D.Barton and ETH Zurich (Switzerland) with Prof. D. Seebach between 1979-1982. Visiting Scholar, University of California, Berkeley (EUA), 1986-1987(Prof. H. Rapoport). Since 1986 he has been Associate Professor at the Faculty of Sciences, Unversity of Lisbon (FCUL) and researcher at the ITQB/UNL.