Rating: Weighted - 8.52 / Average - 9.2 of 10 (4 votes)
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Biography's Source:
Biography:

Anthologies:

• Ascent of Wonder: The Evolution of Hard SF, the (1994)

Novels:

• Five Against Venus (1952)
• Missing Men of Saturn (1953)

Short Stories:

• Xi Effect, the (1950)

• Robert S. Richardson