Vivian Maier: an amazing unknown street photographer

Vivian Maier, a Chicago nanny who took more than 100,000 photos during her lifetime but never showed them to anyone. Somehow her photos found their way into the hands of local historian John Maloof in 2007, John knew she had talent but unfortunately she died before her genius could be shared with the world. Her photos have been exhibited around the world and some say she may rank among the top street photographers of the 20th century.