Leonard E. Alwine is a member of the Horseshoe Curve Chapter of the National Railway Historical Society, the Railways to Yesterday and Rockhill Trolley Museum, and the Lakemont Par...view moreLeonard E. Alwine is a member of the Horseshoe Curve Chapter of the National Railway Historical Society, the Railways to Yesterday and Rockhill Trolley Museum, and the Lakemont Park Historical Museum. He has written numerous works on railroad and firefighting history.view less