‘I’m looking for faces which surprise me’: how Richard Avedon photographed the soul of his subjects

Ron Howard’s illuminating Netflix documentary looks back on the career of one of America’s most inventive and versatile photographersRichard Avedon had only taken a couple of frames when he accidentally hit his head on a light being held above him. The Dalai Lama burst into laughter. That was when Avedon snapped two more frames and announced: “Oh, I got it!”Avedon’s…