1. Lucy Natarajan is Researcher at the Bartlett School of Planning, UCL, Central House, 14 Upper Woburn Place, London, WC1H 0NN; Simon J. Lock is Lecturer at the Department of Science & Technology Studies, UCL, 22 Gordon Square, London, WC1E 6BT; Yvonne Rydin is Professor at the Bartlett School of Planning, UCL, Central House, 14 Upper Woburn Place, London, WC1H 0NN. Maria Lee is Professor at the Faculty of Laws, UCL, Bentham House, 4 Endsleigh Gardens, London, WC1H 0EG;.