Hugo Gernsback quotes:

By 'scientifiction' I mean the Jules Verne, H. G. Wells, and Edgar Allan Poe type of story-a charming romance intermingled with scientific fact and prophetic vision

What description of clouds and sunsets was to the old novelist, description of scientific apparatus and methods is to the modern Scientific Detective writer.

Science-fiction ... can be defined as: Imaginative extrapolation of true natural phenomena, existing now, or likely to exist in the future.

Let it be understood, in the first place, that a science fiction story must be an exposition of a scientific theme and it must be also a story.

I started the movement of SF in America in 1908 through my first magazine, 'MODERN ELECTRICS.' At that time it was an experiment. Science fiction authors were scarce. There were not a dozen worth mentioning in the entire world