Mary Ellen Mark was an American photographer best known for her documentary images of 1960’s counterculture. Her work highlighted Vietnam War protesters and societal outcasts in order to underscore their importance to contemporary society. “I’d rather pull up things from another culture that are universal that we can all relate to,” she has said of her approach to photography. Mark is most commonly associated with her 1983 spread Streetwise, published in Life Magazine, and the 2015 series “Tiny: Streetwise Revisited,” which both documented the lives of homeless youths over the course of 30 years. Born on March 20, 1940 in Philadelphia, PA, she earned a BA in painting and art history and an MA in photojournalism...