| anno | autore | opera |
| 1973 | Barry Malzberg | Beyond Apollo |
| 1974 | Arthur C. Clarke | Rendezvous With Rama |
| Robert Merle | Malevil | |
| 1975 | Philip K. Dick | Flow My Tears, the Policeman Said |
| 1976 | Wilson Tucker | The Year of the Quiet Sun |
| 1977 | Kingsley Amis | The Alteration |
| 1978 | Frederik Pohl | Gateway |
| 1979 | Michael Moorcock | Gloriana |
| 1980 | Thomas M. Disch | On Wings of Song |
| 1981 | Gregory Benford | Timescape |
| 1982 | Russell Hoban | Riddley Walker |
| 1983 | Brian W. Aldiss | Helliconia Spring |
| 1984 | Gene Wolfe | The Citadel of the Autarch |
| 1985 | Frederik Pohl | The Years of the City |
| 1986 | David Brin | The Postman |
| 1987 | Joan Slonczewski | A Door into Ocean |
| 1988 | Connie Willis | Lincoln's Dreams |
| 1989 | Bruce Sterling | Islands in the Net |
| 1990 | Geoff Ryman | The Child Garden |
| 1991 | Kim Stanley Robinson | Pacific Edge |
| 1992 | Bradley Denton | Buddy Holly Is Alive and Well on Ganymede |
| 1993 | Charles Sheffield | Brother to Dragons |
| 1994 | Nessun premio | |
| 2° classificato: Nancy Kress | Beggars in Spain | |
| 1995 | Greg Egan | Permutation City |
| 1996 | Stephen Baxter | The Time Ships |
| 1997 | Paul McAuley | Fairyland |
| 1998 | Joe Haldeman | Forever Peace |
| 1999 | George Zebrowski | Brute Orbits |
| 2000 | Vernor Vinge | A Deepness in the Sky |
