I'm a little curious what the nomination process was. There's no reason except sentiment for 'Marooned off Vesta' to make any shortlist of great pre-1940 stories, and 'Old Faithful' is kind of a charming idea under a heap of words. Haven't read 'Life-Line' or 'He Who Shrank' or 'He That Hath Wings' recently enough to have a strong opinion but I suspect they're better concepts than stories.

But given that set of stories to pick from yeah, I'd put the Campbells at or near the top.