Vivian Maier (February 1, 1926 – April 21, 2009) was an American street photographer whose work was discovered and recognized after her death. She took more than 150,000 photographs during her lifetime, primarily of the people and architecture of Chicago, New York City, and Los Angeles, although she also traveled and photographed around the world. During her lifetime, Maier’s photographs were unknown and unpublished; many of her negatives were never developed. A Chicago collector, John Maloof, a