| 1959 | 1958 | 1957 | 1956 | 1955 | 1953 |
| Novel |
| Double Star [Estrella doble] , Robert A. Heinlein. |
| F | The Long Tomorrow , Leigh Brackett. |
| F | The End of Eternity [El fin de la eternidad] , Isaac Asimov. |
| Novelette |
| Short Story |
| Professional Magazine |
| Astounding Science Fiction , John W. Campbell, Jr., ed.. |
| Professional Artist |
| Fanzine |
| Inside and Science Fiction Advertiser , Ron Smith, ed.. |
| Feature Writer |
| Book Reviewer |
| Most Promising New Author |