day. sky fox overhead just before 8:00 this morning at the mark train station on summit avenue where an 81-year-old gaithersburg man was struck and killed by an inbound train. witnesses told place he d been waiting out in the cold in a nearby coffee shop. when he saw the train coming, he hurried across the tracks to be able to board. unfortunately it appears that he misjudged how fast the train was coming, how long it would take him to cross in front of it. this is presenting itself as a tragic accident. reporter: the victim has been identified as james thomas which he mons, renowned scholar at wesley clemons, a renowned scholar at wesically seminary. he was kind and curious and adventurous. i can t think of a time i saw jim clemons when he wasn t smiling and so when i heard, i was just stunned. reporter: clemons taught at the seminary 28 years. he d also done internationally recognized work in the area of suicide prevention and at 81 was still very physically acti