Written in 1948 and first published in 1951 as Sentinel of eternity, this is the short story on which the 1968 movie 2001: A Space Odyssey was based, and the beginning of Clarke's Space Odyssey series. The story deals with the discovery during an expedition of an artefact on Earth's Moon that will be a turning point for humanity.
Author
Sir Arthur Charles Clarke was one of the most important and influential figures in 20th century science fiction. He spent the first half of his life in England, where he served in World War Two as a radar operator, before emigrating to Ceylon in 1956. He is best known for the novel and movie 2001: A Space Odyssey, which he co-created with the assistance of Stanley Kubrick. Clarke was a graduate of King's College, London where he obtained First Class Honours in Physics and Mathematics. He is past Chairman of the British Interplanetary Society, a member of the Academy of Astronautics, the Royal Astronomical Society, and many other scientific organizations. Author of over fifty books, his numerous awards include the 1961 Kalinga Prize, the AAAS-Westinghouse science writing prize, the Bradford Washburn Award, and the John W. Campbell Award for his novel Rendezvous With Rama. Clarke also won the Nebula Award of the Science Fiction Writers of America in 1972, 1974 and 1979, the Hugo Award of the World Science Fiction Convention in 1974 and 1980, and in 1986 became Grand Master of the Science Fiction Writers of America. He was awarded the CBE in 1989.
