Shaping Chicago: James Dunham and the Chicago River with Tom Lutz Posted by Ravenswood Historical Society Webmaster on February 5, 2018 Posted in: Past Programs. Tagged: Chicago History, Chicago River, Conrad Sulzer Regional Library, Tom Lutz. Related posts: Author Talk: Chicago River Bridges with Patrick McBriarty The Chicago “L”: Chicago’s Biggest “Mover & Shaker” A Chicago Firehouse Draining Chicago: The Early City and the North Area Posts navigation ← 1920s Prohibition Wars and the St. Valentine’s Day Massacre History of Ravenswood →