Alberta Fish and Wildlife has confirmed 59-year-old University of Calgary professor David Lertzman was killed in a bear attack off Moss Trail near Waiparous Creek on Tuesday evening. “He was really a beautiful, unique, marvellous human being,” Jim Dewald, dean of the Haskayne School of Business said. “Professors will spend their entire career in the hopes that one day a student or graduate will come and say, ‘what you taught me changed my life.’...