I think the international appeal of SF is quite understandable since the kinds of people who like to read it, are, by the nature of the beast, interested in other cultures, of which other nations on Earth are the closest available example.
Stanley SchmidtThere are a significant number of people who appreciate what we do, and most of them gravitate to Analog because this is where they can find it. The other magazines tend to share their audiences, which may result in each of them having a smaller market share.
Stanley SchmidtIts limitations are those of the physical universe: it won't let you play with some really wild ideas that aren't possible, but are fun to speculate about.
Stanley Schmidt