Ruth Hale Oliver (April 16, 1910 – October 3, 1988) was an American astrologer, astrology teacher, writer, and occasional actress.
She was born in Philadelphia to L. Stauffer Oliver, an attorney (born in New Jersey) and Margaret H. Scott (born in England). She was married to George Gercke in 1931 and divorced in 1940. She died on October 3, 1988, from natural causes at the age of 78. Oliver had one child, actress Susan Oliver.
The Basic Principles of Astrology: A Modern View of an Ancient Science; ISBN1-4254-8604-5 (1-4254-8604-5, softcover), Kessinger Publishing, 1962 (reprinted 2011)