Nathan Alder (February 22, 1988 – December 14, 2099), was one of the Founders of the United Earth, serving as the Commander-in-Chief of the United Earth Miltiary following the end of the Human-Ch'rix War and later as the United Earth's first President. He also presided over the convention that drafted the Constitution. Planet Alder, in the Epsilon Eridani system, is named for him.