Murat Yazar is a Kurdish photographer working across the Middle East and Europe whose work has appeared in National Geographic, The Times of London, and The New York Times. Paul Salopek is a two-time Pulitzer Prize winner who has reported from around the world for the Chicago Tribune, Foreign Policy, and National Geographic. For his latest project, the “Out of Eden Walk,” Salopnek is retracing, on foot, the path of migration that early humans took out of Africa, across Asia, and through the Americas.