CHAPEL HILL, N.C. (WTVD) -- Dozens of students, friends, and professors gathered at UNC's Caudill Labs to dedicate a memorial bench and plaque in honor of professor Zijie Yan .

"He was an amazing scientist. And again, the joy that he brought to the department, he was very quiet, but very observant, extremely smart, really good with his students. Yeah. He was, you know, an awesome colleague," says UNC Applied Physical Sciences Chair Dr. Theo Dingemans.

Exactly two years ago, Dr. Yan was shot and killed by one of his graduate students at Caudill Labs.

I think we're now moving into a phase to celebrate his life and this wonderful science that he's done, and he leaves behind an amazing legacy. - Dr. Theo Dingemans, UNC Applied Physical Sciences Chair

Since then, the university u

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