Unthinking Cap

by John R. Pierce

• Release: July 1943
• Format: Short Story
• Genre: Science Fiction
• Audience: Adults
• Content: Undetermined Time Travel
• Original Language: English

VARIANTS

1 English variant

TAGS(SPOILERS!)

Groupings

• Astounding · Analog (periodical): Astounding Science-Fiction[/ex], July 1943
• Cited in Time Machines by Paul J. Nahin ()

TIME TRAVEL ITINERARY

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