The Galactic Empire is an interstellar empire featured in Isaac Asimov's Robot, Galactic Empire, and Foundation series. The Empire is spread across the Milky Way galaxy and consists of almost 25 million planets settled exclusively by humans. For over 12 millennia the seat of imperial authority was located on the ecumenopolis of Trantor, whose population exceeded 40 billion, until it as sacked in the year 12,328. The official symbol of the empire is the Spaceship-and-Sun. Cleon II was the last Emperor to hold significant authority. The fall of the empire, modeled on the fall of the Roman Empire, is the subject of many of Asimov's novels.
Isaac Asimov - The Grand Master of Science Fiction. Mostly known for his Foundation Series. was an American writer and professor of biochemistry at Boston University. He was known for his works of science fiction and popular science. Asimov was a prolific writer who wrote or edited more than 500 books and an estimated 90,000 letters and postcards.