Dr. Robert Edwards, author of The Last Step but One, proposes 5 hypotheses about Mallory and Irvine’s final ascent of Everest.

Two of the hypotheses have sub-hypotheses, bringing the total number of conjectures to 8.

Robert Edwards's Mallory & Irvine book.

Watch the YouTube video

Timeline

00:00 Hypothesis 1

06:10 Hypothesis 2

09:00 Hypothesis 3

12:20 Hypothesis 4.1

19:30 Hypothesis 4.2

23:00 Hypothesis 5.1

25:35 Hypothesis 5.2

28:30 Hypothesis 5.3

31:50 Reflections

DISCLOSURE: I used AI to generate the thumbnail for this video. So if you're wondering why the image is inaccurate, you'll know why.

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