“Asylum,” A. E. van Vogt, 1942 – Two energy vampires arrive on Earth and outwit the relatively IQ-challenged man sent to stop them. A female alien with an even higher IQ arrives to save him.
Comments: Themes include femininity, IQ, hypnosis, progress. Read in Adventures in Time and Space. See the more detailed synopsis at Alexei Panshin’s “Man Beyond Man: The Early Stories of A. E. van Vogt.”
Author: Wikipedia: “Alfred Elton van Vogt (April 26, 1912 – January 26, 2000) was a Canadian-born science fiction author regarded as one of the most popular and complex science fiction writers of the mid-twentieth century: the ‘Golden Age‘ of the genre.”