
Doctor
A sleek interstellar liner glides through the void, ferrying a bustling crowd of women and children to the orbiting Star Queen. Among the passengers, the ship’s doctor monitors each traveler with a meticulous eye, weighing health slips against subtle signs of illness. His authority extends to the ship’s quarantine bay, where a mysterious, self‑replicating molecule—dubbed chlorophage— threatens to upend the complacent confidence of humanity.
The story opens with humanity’s grand scale, conquering suns and storms while ignoring the tiny forces that could reshape everything. When a single molecule on a distant world begins to multiply, it becomes the most feared entity in the cosmos. As the doctor surveys the newcomers, he senses something off in a young woman’s complexion, hinting that the unseen danger may already be aboard. The tension builds between the routine of space travel and the looming specter of an invisible, unstoppable contagion.
Language
en
Duration
~52 minutes (50K characters)
Publisher of text edition
Project Gutenberg
Credits
Produced by Greg Weeks, Mary Meehan and the Online Distributed Proofreading Team at http://www.pgdp.net
Release date
Apr 17, 2016
Rights
Public domain in the USA.

1896–1975
A hugely prolific storyteller, he helped shape early science fiction with ideas that still feel fresh, from parallel worlds to first contact. Writing under the name Murray Leinster, William Fitzgerald Jenkins turned bold concepts into fast, readable adventures for generations of magazine and paperback readers.
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by Murray Leinster

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