The Chicago “L”: Chicago’s Biggest “Mover & Shaker” Posted by Ravenswood Historical Society Webmaster on June 17, 2017 Posted in: Past Programs. Tagged: Chicago History, Conrad Sulzer Regional Library, Greg Borzo, history, transportation. Related posts: Chicago’s Fabulous Fountains History of the Irish in Chicago Germans in Chicago The Railroad Tycoon Who Built Chicago Posts navigation ← WWI in Chicago meant some meatless days Now Arriving: Traveling to and from Chicago by Air, 90 Years of Flight →