On June 8, 1924, Noel Odell reported seeing George Mallory and Andrew Irvine high on the summit ridge of Mount Everest. Did he see them? Could he have seen them? And, where? Was he confused? A series of thoughts, interpretations, and photo analysis on the subject in today's post.

On May 1, 1999, my teammates and I discovered the remains of George Mallory high on Everest. Here, I reflect on that day twenty years later, once again on Mount Everest.

Of all sides of Everest - the south from Nepal, the north from Tibet, and the east, also from Tibet - it is the eastern approach via the Kama and Kangshung Valleys, which are the most stunning.

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.