Foundation is a science fiction novel by American writer Isaac Asimov. It is the first published in his Foundation Trilogy. Foundation is a cycle of five interrelated short stories, first published as a single book by Gnome Press in 1951. Collectively they tell the early story of the Foundation, an institute founded by psychohistorian Hari Seldon to preserve the best of galactic civilization after the collapse of the Galactic Empire.

Isaac Asimov was an American writer and professor of biochemistry at Boston University. During his lifetime, Asimov was considered one of the "Big Three" science fiction writers, along with Robert A. Heinlein and Arthur C. Clarke. A prolific writer, he wrote or edited more than 500 books. He also wrote an estimated 90,000 letters and postcards. Best known for his hard science fiction, Asimov also wrote mysteries and fantasy, as well as popular science and other non-fiction.