BSHS is pleased to announce that the winner of the 2005 Ivan Slade Prize is Dr Hasok Chang of the Department of Science and Technology Studies at University College, London. Dr Chang’s winning essay is entitled “Adventures of a Scientific Potter: The Rise and Fall of the Wedgwood Pyrometer.” We hope to present the prize at the Society’s annual meeting in Canterbury. The judges have awarded a commendation to Mr Guy Ortolano of the History Department, Washington University in St Louis, for his essay “Human Science of a Human Face? Social History and the ‘Two Cultures’ Controversy.” More about the Slade Prize 2006 Annual Conference