George Mallory and Andrew Irvine disappeared near the summit of Mount Everest on June 8, 1924 - 29 years before Hillary & Tenzing climbed the mountain from the south side. Read Part 1 of this in-depth, 3-part series by Jake Norton about what really happened to Mallory & Irvine in 1924.

George Mallory (1886-1924) was a gifted climber best known for disappearing on Mount Everest with Andrew Irvine in 1924. But, he was also a thinker, a philosopher; explore this aspect of the man in today's Thursday Thought.

Could George Mallory and Andrew Irvine have bypassed the Second Step on the Northeast Ridge of Everest? View an interactive panorama and decide for yourself!

On June 8, 1924, Noel Odell made the final sighting of George Mallory and Andrew Irvine on the summit ridge of Everest. What did he see? What could he have seen? And, what can we learn about this final sight, before Mallory & Irvine disappeared into the ether?