The third Green Templeton Lecture 2009 explores how, by harnessing innovation to meet unmet medical needs, pharma companies can deliver significant value to patients, payers and shareholders. The Green Templeton Lectures 2009 explored the theme 'Addicted to Big Pharma? Reconciling business, medical and ethical needs' in a series of four lectures looking at the pharmaceutical industry past, present and future. This third lecture was delivered by Patrick Vallance (Head of Drug Discovery; GlaxoSmithKline) Philip Bloomer (Director of Campaigns; Oxfam)