The Sentinel (short story)

"The Sentinel"
Short story by Arthur C. Clarke
First appearance, in 10 Story Fantasy
Country	United Kingdom
Language	English
Genre(s)	Science fiction
Publication
Published in	10 Story Fantasy
Publisher	Avon Periodicals
Publication date	Spring 1951

"The Sentinel" is a science fiction short story by British author Arthur C. Clarke, written in 1948 and first published in 1951. Its plot and ideas influenced the development of the 1968 film 2001: A Space Odyssey and its corresponding novel.