Clarkson University mourns shooting death of former professor wwnytv.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from wwnytv.com Daily Mail and Mail on Sunday newspapers.
Zijie Yan, the UNC-Chapel Hill associate professor who died in a Monday shooting on the school's campus, was a father of two and a "beloved colleague" and "mentor."