L. Gordon Plummer was a deep student of Theosophy and author of many books, including The Way to the Mysteries, From Atom to Kosmos, By the Holy Tetraktys, and The Mathematics of the Cosmic Mind.
Mr. Plummer was born in 1904 at the headquarters of the Point Loma Theosophical Society, California. His mother began reading excerpts from The Secret Doctrine to him when he was only ten years old, thus sparking a life-long interest in Theosophical studies. Mr. Plummer taught for many years at the school and college sponsored by the Point Loma Theosophical Society. His interests included astronomy, mathematics, and modern science.