As a child, a young Sir David Attenborough was transfixed by a film about penguins, shot by a man who almost single-handedly changed the way we viewed the natural world: Cherry Kearton. In the late 19th Century, photography was a laborious process suited more to indoor portraits than the great outdoors. The highest-quality cameras shot on glass plates and were cumbersome constructions made of hardwood and brass. The plates needed plenty of time to expose an image – hence the studied gazes of