(Chicago Tribune historical photo) 1928: “Diamond Joe” Esposito, 19th Ward boss, was slain near his home on South Oakley Boulevard in Chicago. His death reportedly was the result of a dispute ...

(Brian Cassella/Chicago Tribune) Participants run out after plunging into Lake Michigan with temperatures in the 20s during Polar Plunge Chicago. (Brian Cassella/Chicago Tribune) The first wave of ...

As Tribune photo editor Marianne Mather looked through the Tribune’s photo archive she realized that much of the city’s history has been intertwined with the Walgreens chain.