GRAHAM HOYLAND is a self-shooting producer and director of adventure films. He has worked on all seven continents for the BBC, Discovery, Travel Channel and NBC, from the shores of Antarctica to the peaks of the Himalayas, and he was the 15th Briton to climb Mount Everest.

He has worked on science, ethnographic and natural history films, and also on the award-winning BBC Two business series 'Dragon's Den'.

Writing for the Travel section of the Independent is one of the unexpected pleasures that comes from a lifetime of travel, and now he is lecturing and after-dinner speaking about his "Seven Seas, Seven Summits" circumnavigation of the world by yacht.

Graham has completed his definitive book on the mystery of Mallory and Irvine, "The Last Hours on Everest ", due out in May 2013 (click below)