Foundation is a science fiction series written by Isaac Asimov. The story is set in a future where a mathematician named Hari Seldon predicts the fall of the Galactic Empire and establishes a foundation to preserve human knowledge and civilization during the ensuing dark ages. The series spans thousands of years and follows the rise and fall of different civilizations, exploring themes of politics, psychology, and the cyclical nature of history. Foundation is a masterful work of science fiction that combines grand ideas with compelling characters and intricate plotting.