"A Sound of Thunder" is an influential science fiction short story by Ray Bradbury, first published in Collier's magazine in the June 28, 1952 issue and Playboy in June 1956. As of 1984, it was the most re-published science fiction story up to the present time. The story is inspired by the concept of the Butterfly Effect, although it was published a decade before physicist Edward Lorenz introduced the phrase into popular usage.
== Plot summary ==
The story is set in the year 2055, when time travel has become a practical reality, and the company Time Safari Inc. offers wealthy adventurers the chance...