(Philadelphia, 1940 - New York, 2015) Internationally renowned photographer, she has won numerous awards including the Fulbright Scholarship, the Guggenheim Fellowship, the Cornell Capa Award and the 2014 Lifetime Achievement in Photography Award from the George Eastman House. Her reportages and portraits have been exhibited around the world and published in numerous magazines, including Life, the New York Times Magazine, and The New Yorker. Her report on Seattle's street children was published in a book in 1988 and inspired the Oscar-nominated film Streetwise, directed by her husband Martin Bell. Mark has published over twenty books, including American Odyssey (Aperture, 1999), Twins (Aperture, 2003), Exposure (2005), Seen Behind the Scene (2009) e Tiny: Streetwise Revisited (Aperture, 2015). Mark has taught photography for over thirty years.