Defining Science Fiction
| George Hay ("futurologist") | ||
| Brian Aldiss (science fiction writer) | ||
| H. G. Wells (polymath) | ||
| Eric Rabkin (tri-partite definition) | ||
| Frederic Brown (science fiction writer) | ||
| Eric Rabkin (theoretical definition) | ||
H. G. Wells: Make one fantastic assumption (such as positing that a time machine exists) and extrapolate everything else from that. |
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