In between such overly familiar tourist attractions as Navy Pier or Wrigley Field are the unsung Chicago landmarks. In &amp;#8220;Ferris Bueller&amp;#8217;s Day Off,&amp;#8221; for example, Matthew Broderick proclaimed himself &ldquo;Abe Froman, Sausage King of Chicago&rdquo; in a Gold Coast restaurant on West Schiller, between Dearborn and State Parkway. Adolph Luetgert was known as &ldquo;Sausage King [...]