December 5, 1921. Two trains. One track. 27 dead. 70 injured. The crash in Bryn Athyn of two opposing trains of the Philadelphia & Reading Railway was one of the most catastrophic of its time, yet largely unknown today. Many factors contributed to the disaster that unfolded between Woodmont and Paper Mill Stations in Upper Moreland Township, including the wooden passenger cars, which were equipped with gas tanks for heating, the terrain, and the weather. Speaker Jim Rose is a…