It appears that the vast majority of popular science fiction authors are men. http://www.amazon.com/author-rank/Science-Fiction/books/16272 http://www.amazon.c

It appears that the vast majority of popular science fiction authors are men. http://www.amazon.com/author-rank/Science-Fiction/books/16272 http://www.amazon.com/author-rank/Science-Fiction/books/1627... (not saying good, mind you. For example "military sci fi")