"The Girl Who Saved The World" was originally published in 1956 in STRANGE TALES #49. It is signed by Joe Orlando in the first panel,
and has "Hartley" for Al Hartley on the book in the last panel, so it appears to have been a collaboration between Joe Orlando and Al Hartley. But once again, Stan Lee's name is nowhere to be seen. Maybe his name wasn't as prevalent on Marvel comics in that period.
Reblogged from http://fourcolorshadows.blogspot.com/ , which suggested that Joe Orlando drew the aliens and Al Hartley drew the girl.