Sebastião Salgado: An Uncertain Grace - Tapa blanda

From a Brazilian mine where 50,000 men haul heavy sacks of dirt up and down ladders in search of a nugget of gold, to a former lake in western Africa, where starving people walk over its surface of sand, photographer Sebastian Salgado explores the lives of the planet's often-ignored people.

Fred Ritchin picture editor of The New York Times Magazine from 1978 to 1982 and executive editor of Camera Arts magazine from 1982 to 1983, and founding director of the Photojournalism and Documentary Photography Program at the International Center of Photography. He is now associate professor of photography and communications at New York University's Tisch School of the Arts and a new media consultant to news and photo organizations.