These Seniors Disliked Their Stern Teacher. Then They Found Out About His Double Life

Image: YouTube/CBS Evening News

As 70-year-old Vietnam veteran-turned-teacher Jim O’Connor wrote yet another seemingly impossible algebra equation on the whiteboard, his students exchanged puzzled looks. They knew by now that he was a tough taskmaster. But after a day of setting grueling calculus challenges, little did they know where the uncompromising O’Connor headed after class.