Thom Pollard is a mountaineer, adventurer, and filmmaker. As high-altitude cameraman for the 1999 Mallory and Irvine Research Expedition, he played a key role in the historic discovery of George Mallory’s body, 75 years after his disappearance during his attempt to become the first to climb Mount Everest. Mallory and his partner Sandy Irvine were last seen above 28,000 feet, and their fate remains one of the greatest mysteries in modern exploration. Pollard’s work has been featured in 'National Geographic Magazine' , on PBS and the BBC, and his Everest-focused YouTube channel, Everest Mystery , has garnered over 100,000 subscribers.