Asimov, Hari Seldon, psychohistory, Galactic Empire, Foundation series, Trantor, Mule, Encyclopedia Galactica, R. G. Seldon, The Foundation Trilogy, E. F. A. Cabot, The Anacrisis, science fiction

Isaac Asimov, a renowned science fiction writer, created the "Foundation" series featuring Hari Seldon, a mathematician who develops psychohistory—a mathematical model predicting large-scale societal trends. The series depicts the decline of the Galactic Empire centered on Trantor, and the effort to preserve knowledge through the Foundation. Key characters include R. G. Seldon and the Mule, a mutant with extraordinary abilities. The universe includes elements like the Encyclopedia Galactica and references to other science fiction works like E. F. A. Cabot’s "The Anacrisis." The "Foundation Trilogy" and later works explore themes of societal prediction, resilience, and the future of civilization.