Mrs. David Keller—who enjoys piquing one's curiosity when quizzed about the name of the magazine for which her husband writes under a nom-de-plume.
Angelica Keller—who is the 'Angelica' of scores of Keller stories, and upon whom Dr. Keller's story, "A Pyschological Experiment," was based.
Abner Joseph Gelula—who gleefully claims that he wishes the movie magnates would buy each of his stories for the movies, as they did "Automaton."
Miss Florence Bothner, Dr. Sloane's capable secretary, who rightly insists that Bob Olsen is the wittiest s-f writer.
Leo Morey—one of the most handsome chaps of the science fiction gang, and perhaps the slickest dresser of them all.