The amazing story of Vivian Maier, a Chicago nanny who took more than 100,000 photos during her lifetime but never showed them to anyone. Now that she's gone and her photos have been discovered, some say she may rank among the top street photographers of the 20th century. Jay Shefsky brings us tonight's "Cultural Connection."

• More Vivian Maier photos and information
• The show at the Chicago Cultural Center, Jan. 7 - April 3