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 |
| Edward E. Smith | 47 |
| Robert A. Heinlein | 44 |
| John W. Campbell, Jr. | 39 |
| Isaac Asimov | 28 |
| Edmond Hamilton | 26 |
| Jack Williamson | 26 |
| Poul Anderson | 20 |
| Forrest J. Ackerman | 19 |
| Nat Schachner | 16 |
| Larry Niven | 15 |
| James Blish | 14 |
| A. E. van Vogt | 13 |
| H. G. Wells | 13 |
| Ray Cummings | 12 |
| Harl Vincent | 12 |
| Murray Leinster | 12 |
| P. Schuyler Miller | 10 |
| George Lucas | 9 |
| J. R. R. Tolkien | 9 |
| Garrett P. Serviss | 9 |