Was Darwin Wrong? Photographer describes evolutionary journey
03:03Photographer Robert Clark was recognized by the National Press Photographers Association for his work documenting the story of evolution for National Geographic. In an interview with NBC's Ann Curry for the original web series Depth of Field, Clark reviews his most iconic images.
Photographer documents every major war over 40 years
04:12From Bullets to Ballet: Conflict Photographer Has Epiphany
03:36Photog uses cell phone camera to document 50-day trip across U.S.
03:00How dyslexia improved his photography: 'It made me more visual'
03:34Was Darwin Wrong? Photographer describes evolutionary journey
03:03Will Facebook become next great museum for photography?
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