In most cases, the first example of a given word does not represent the actual coinage, merely the first example that has been discovered. Nonetheless, it's interesting to see who is at the top of the list.
| Author | Number of First Quotations |
| Robert A. Heinlein | 46 |
| Edward E. Smith | 42 |
| John W. Campbell, Jr. | 39 |
| Isaac Asimov | 27 |
| Jack Williamson | 27 |
| Edmond Hamilton | 21 |
| Poul Anderson | 20 |
| Forrest J. Ackerman | 18 |
| Larry Niven | 15 |
| James Blish | 13 |
| Murray Leinster | 12 |
| H. G. Wells | 11 |
| Nat Schachner | 11 |
| Ray Cummings | 11 |
| A. E. van Vogt | 11 |
| Fritz Leiber | 9 |
| Francis T. Laney | 9 |
| Harl Vincent | 9 |
| Garrett P. Serviss | 9 |
| George O. Smith | 9 |