He is an intense man with a dynamic speaking style, who makes big, dramatic gestures to underscore his points. In lecture halls, he jumps around the stage, electrifying his audience with the near-manic energy he brings to his passion for teaching. Lynn Tatum is a senior lecturer in the Honors College, teaching mostly religion classes — a subject which he has loved for decades. But religion isn’t the only subject that excites this impassioned professor.