[Science fiction is] a specialized type of fantasy, in which the prime assumption usually is a new scientific discovery or invention.

- Jack Williamson

I'm afraid Dr. Mondrick chose an unfortunate publicity device. After all, the theory of human evolution is no longer front page news. Every known det…

- Jack Williamson

We lived on isolated farms and ranches, far from anybody, and when I was young I knew very few other kids, so I lived to a great extent in my imagina…

- Jack Williamson

That was quite an adventure, stopping at a different house each night, seeing new country,.

- Jack Williamson

I'm a strict materialist - but the police are brutal materialists.

- Jack Williamson

"Hard" science fiction probes alternative possible futures by means of reasoned extrapolations in much the same way that good historical fiction reco…

- Jack Williamson

Life would have been absolutely empty without imagination.

- Jack Williamson