Foundation is a science fiction novel by Isaac Asimov. Set in a future where a mathematician named Hari Seldon predicts the fall of the Galactic Empire, the story follows the efforts of a group of scientists to preserve knowledge and guide humanity through the impending dark age. The book explores themes of history, politics, and the cyclical nature of civilizations. Asimov's novel is the first in a series and has been highly influential in the genre, popularizing the concept of psychohistory and inspiring generations of science fiction writers.