When Mallory and Irvine set off in excellent weather from Camp IV on the North Ridge at 25,200 ft (7,681m), on June 6, at ...

But bearing in mind all the circumstances I have set out.... considering their position when last seen, I think myself there is a strong probability that Mallory and Irvine succeeded." Noel Odell ...

QUESTION: How likely do you think it is that Mallory and Irvine could have made it to the summit? BREASHEARS: The ridge they would have followed that day is what we refer to as the Second Step.

To recreate the historical ascent the 2007 expedition chose to climb on the same days as Mallory and Irvine, and in fact the climbers were the last on the mountain in this busy pre-monsoon period.

Irvine was only 22 when he and George Mallory vanished while attempting to become the first people to summit Everest on June 8, 1924. Mallory and Irvine were last seen 800 vertical feet from ...