"The Veldt" is a science fiction short story by American author Ray Bradbury.
 Originally appearing as "The World the Children Made" in the 23 September 1950 issue of "The Saturday Evening Post", it was republished under its current name in the 1951 anthology "The Illustrated Man".
"The Quest for Saint Aquin" is a science fiction short story by American writer Anthony Boucher, originally published in 1951 in "New Tales of Space and Time".
 "The Quest for Saint Aquin" was among the stories selected in 1970 by the Science Fiction Writers of America as one of the best science fiction short stories published before the creation of the Nebula Awards.
 As such, it was published in "The Science Fiction Hall of Fame Volume One, 1929-1964".
"The Exiles" is a science fiction short story by Ray Bradbury.
 It was originally published as "The Mad Wizards of Mars" in "Maclean's" on September 15, 1949 and was reprinted, in revised form, the following year by "The Magazine of Fantasy & Science Fiction".
 First collected in "The Illustrated Man" (1951), it was later included in the collections "R Is for Rocket" (1962), "" (2003), "A Sound of Thunder and Other Stories" (2005) and "A Pleasure to Burn" (2010, under the "Mad Wizards" title and presumably with the "Maclean's" text).
"Twilight" is a science fiction short story by American writer John W. Campbell originally published in 1934 in "Astounding Stories", and apparently inspired by H. G. Wells' article "The Man of the Year Million".
 In 1970, it was selected as one of the best science fiction short stories published before the creation of the Nebula Awards by the Science Fiction Writers of America.
 As such, it was published in "The Science Fiction Hall of Fame Volume One, 1929-1964".
"Cassandra" is a science fiction short story by American science fiction and fantasy author C. J. Cherryh.
 It was first published in "The Magazine of Fantasy & Science Fiction" in October 1978, and won the Hugo Award for Best Short Story in 1979.
 It was only her second published short story, after "The Dark King" (1977).
"Mars Is Heaven!"
 is a science fiction short story by American writer Ray Bradbury, originally published in 1948 in "Planet Stories".
 "Mars Is Heaven!"
 was among the stories selected in 1970 by the Science Fiction Writers of America as one of the best science fiction short stories published before the creation of the Nebula Awards.
 As such, it was published in "The Science Fiction Hall of Fame Volume One, 1929–1964".
 It also appears as the sixth chapter of "The Martian Chronicles", retitled "The Third Expedition".
"The Man Who Evolved" is a science fiction short story by American writer Edmond Hamilton, first published in the April 1931 issue of "Wonder Stories".
 In his comments on the story in "Before the Golden Age", Isaac Asimov called it the first science fiction short story (as opposed to novel) that impressed him so much it stayed in his mind permanently.
 In her introduction to "The Best of Edmond Hamilton", Leigh Brackett called the story "a fine example of Hamilton's skill in encapsulating an enormous theme into the neat and perfect compass of a short story."
The Illustrated Man is a 1969 American science fiction film directed by Jack Smight and starring Rod Steiger as a man whose tattoos on his body represent visions of frightening futures.
 The film is based on three short stories from the 1951 collection "The Illustrated Man" by Ray Bradbury: "The Veldt", "The Long Rain", and "The Last Night of the World".
"The Little Black Bag" is a science fiction short story by American Cyril M. Kornbluth, first published in the July 1950 edition of "Astounding Science Fiction".
 It is a predecessor of sorts to the story "The Marching Morons".
 It won the 2001 Retroactive Hugo Award for Best Novelette (of 1951) and was also recognized as the 13th best all-time short science fiction story in a 1971 "Analog Science Fact & Fiction" poll, tied with "Microcosmic God" by Theodore Sturgeon.
 It was among the stories selected in 1970 by the Science Fiction Writers of America as one of the best science fiction short stories published before the creation of the Nebula Awards.
 As such, it was published in "The Science Fiction Hall of Fame Volume One, 1929-1964".
"The Rocket" is a Science fiction short story (initially published under the name "Outcast of the Stars") by American writer Ray Bradbury.
 It is also included in "The Illustrated Man", a collection of short stories by Ray Bradbury.

Question: The film The illustrated Man is based upon a science fiction short story, which was published in 1951 by what author?
Answer: Ray Bradbury