Synopsis
History
First publication: Astounding, August 1946
Also published as by Philip Carter.
Review
Videos
We have the story in these editions:
The Great SF Stories 8 (1946), edited by Issac Asimov and Martin H. Greenberg, paperback, DAW Books, 1982-11-00
A Treasury of Science Fiction, edited by Groff Conklin, hardcover, Crown, 1948-03-00
Astounding Science-Fiction, August 1946, edited by John W. Campbell, Jr., magazine, Street & Smith, 1946-08-00