The "Foundation series" was written by American science fiction author Isaac Asimov and published between 1951 and 1993. The series consists of seven books, and it is set in a futuristic interstellar empire. The books explore themes of sociology, history, and mathematics, and they are considered to be some of the most influential works of science fiction. Asimov won multiple awards for the series, including the Hugo Award for Best All-Time Series in 1966.