Trevor Kletz, OBE, D.Sc., F.Eng., a process safety consultant, has published more than a hundred papers and nine books on loss prevention and process safety, including most recently Lessons From Disaster: How Organizations Have No Memory and Accidents Recur and Computer Control and Human Error. His experience includes thirty-eight years with Imperial Chemical Industries Ltd., where he served as a production manager and safety adviser in the petrochemical division, and membership in the department of chemical engineering at Loughborough University, Leicestershire, England. He is currently senior visiting research fellow at Loughborough University and an officer of the Order of the British… Empire.