Everest’s great mystery solved? Sandy Irvine’s remains found 100 years after tweed-clad climber vanished - Whether Irvine and Mallory reached the peak of Everest remains one of climbing’s great myster

Last week’s announcement that a boot and partial remains believed to belong to the British explorer Sandy Irvine had been found on Mount Everest by a National Geographic documentary crew supercharged interest in a mystery that has endured since he vanished with George Mallory on the mountain 100 years ago.

A group led by filmmaker Jimmy Chin found the boot of Andrew "Sandy" Irvine, the British climber who vanished on Everest alongside George Mallory in 1924. Experts say the mystery involving the duo remains.

The find comes 25 years after Irvine's climbing partner George Mallory’s frozen body was also discovered on the Himalayan peak.

In his final letter to his wife, Ruth, before he vanished on Mount Everest a century ago, the 37-year-old Mallory, who once famously said he wanted to conquer Everest "because it's there," tried to ease her worries even as he said his chances of reaching the world's highest peak were "50 to 1 against us.