title: Crossing boundaries: computational science, e-Science and global e-Infrastructure.
authors.affiliation: Centre for Computational Science, University College London, London WC1H 0AJ, UK. p.v.coveney@ucl.ac.uk
authors.forename: Peter V
authors.initials: PV
authors.lastname: Coveney
authors.forename: Malcolm P
authors.initials: MP
authors.lastname: Atkinson