Young women, Englewood, Chicago, 2000
Photograph: Tom Arndt/Courtesy Les Douches la Galerie, Paris

Self-portrait, Chicago area, 1977
Photograph: Vivian Maier/Courtesy Les Douches la Galerie, Paris / Howard Greenberg Gallery, New York

Chicago, 1958
Photograph: Ray K. Metzker/Courtesy Les Douches la Galerie, Paris

Boy blowing bubble gum, Chicago, 1951
Photograph: Marvin Newman/Courtesy Les Douches la Galerie, Paris / Howard Greenberg Gallery, New York

Children sitting in front of restaurant window, Chicago, 1950
Photograph: Marvin Newman/Courtesy Les Douches la Galerie, Paris / Howard Greenberg Gallery, New York

D-MAN, Englewood, Chicago, 2007Friends of Lille-D (Darius Mitchell) show off their T-shirts. Mitchell, a 14-year old boy, was shot and killed at a house party after a fight broke out
Photograph: Carlos Javier Ortiz

People gather on South Throop Street, to pay tribute to Albert Vaughn, 18, known as Li’l Albert, in April 2008. They wept, sang and chanted “say no more,” a phrase Vaughn would use when people asked him for help
Photograph: Carlos Javier Ortiz/Rapport