Walter Koch, German astrologer and author (d. 1970)
Dr. Walter Albert Koch (18 September 1895 – 25 February 1970) was a German astrologer who founded the Koch House System in Astrology. He was born in Esslingen, Baden-Württemberg, Germany and died in Göppingen.
Like many German astrologers of those days he was imprisoned in the Dachau concentration camp (1941–45). In early 1960s he put forward the Koch House System. He also did research on the psychological and esoteric effects of colors and gems.