Trevor Kletz, English chemist and author (b. 1922)
Trevor Asher Kletz, OBE, FREng, FRSC, FIChemE (23 October 1922–31 October 2013) was a prolific British author on the topic of chemical engineering safety. He is credited with introducing the concept of inherent safety, and was a major promoter of Hazop. He is listed in The Palgrave Dictionary of Anglo-Jewish History.