Author: John D. Clark

John Drury Clark

John Drury Clark, Ph.D. was an American rocket fuel developer, chemist, and science fiction writer. (source: https://en.wikipedia.org/wiki/John_Dr...)

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More by John Drury Clark

Ignition!: An informal history of liquid rocket propellants

John Drury Clark

Uller Uprising

H. Beam Piper

The Hyborian Age

Robert E. Howard

Before the Golden Age: A Science Fiction Anthology of the 1930s

Isaac Asimov

Analog Science Fiction and Fact, 1966 November

John W. Campbell Jr.

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