Astounding: John W. Campbell, Isaac Asimov, Robert A. Heinlein, L. Ron Hubbard, and the Golden Age of Science Fiction

by Alec Nevala-Lee

“Imitation,” his first attempt at a humorous story, in which two fugitives named Penton and Blake wrangle with a species of shape-shifting alien. It was bought by Mort Weisinger of Thrilling Wonder Stories, who retitled it “Brain Stealers of Mars,”