Dec. 3—When he heard Ed Webster had died, Stewart Green thought about a photo his friend had taken. It was from Webster's record-setting ascent up Mount Everest's Kangshung Face, a never-before-done ...

When he heard Ed Webster had died, Stewart Green thought about a photo his friend had taken. It was from Webster’s record-setting ascent up Mount Everest’s Kangshung Face, a never-before-done mission ...