ShareSaveAdd as preferred on GoogleDoug AllanDoug Allan spent hundreds of days filming polar bears for his documentariesWildlife cameraman Doug Allan was renowned for working in some of the coldest and most extreme environments in the world.
The Scottish photographer, a trained diver and marine biologist, captured spectacular views of the frozen world above and below the water.
He built his career alongside Sir David Attenborough on BBC programmes including The Blue Planet, Planet Earth and Frozen Planet.
Allan died earlier this week, at the age of 74, after falling ill during a mountain trek in Nepal.
With countless awards to his name, he leaves a legacy of photos and footage that will see him remembered as one of the pioneers of wildlife filmmaking.
