Don McCullin has been filmed discussing his photography many times during his long career, but rarely has he been shown shooting in the field. So when plans were mooted for making a documentary showing him in action, with the world’s most renowned photojournalist keen on the concept, they knew they had a rare opportunity that would make the photographic world sit up and take note. Film director Clive Booth, cinematographer Chris Clarke and Sir Don McCullin’s manager, Mark George, tell the behind-the-scenes story of how they made the documentary film, ‘McCullin in Kolkata’.