David W. Seidel is a founding member of Horseshoe Curve Chapter, National Railway Historical Society, and he serves as its chapter historian. He is also a founding member of the Ra...ver maisDavid W. Seidel is a founding member of Horseshoe Curve Chapter, National Railway Historical Society, and he serves as its chapter historian. He is also a founding member of the Railroader's Memorial Museum and its predecessor, the Altoona Railway Museum Club.ver menos