Book Details + Condition: Rider & Co. (London). First Edition, 1920. NATURAL PHILOSOPHY: BEING AN INTRODUCTION TO ASTROLOGY AND OCCULTISM IN GENERAL ALONG THE LINES OF MODERN SCIENTIFIC THOUGHT, by A.E. Thierens. Hardcover. 158 pages, with illustrations. A rare look into occult and astrology as seen through a scientific method lens. Chapters include: The Electron Theory, Ether, The Sphere, Tamas, Rajas, Sattva, Spirit and Matter, Twelve Signs of the Zodiac, The Matrix, Man, Atma, Buddhi, Mahat (Manas). Please see below for more information on A.E. (Adolph Ernestus) Thierens. Tight binding; rubbed corners and edges; shelf wear to boards, with some discoloration; lean to book; old sticker on bottom of spine; antique library bookplate on inside front board (and corresponding stamps to copyright page, and 2 other pages).
Adolph Ernestus Thierens (Brielle, December 20, 1875 - Bussum, December 30, 1941) was a Dutch occultist, astrologer and soldier. In 1907 he founded the Netherlands Society for the Study of Astronomy and Modern Astrology, of which he was president until 1922. He seen as the founder of Dutch astrology. He became known as editor of the astrological magazine Urania. His many publications are not only about astrology but also about Tarot, Theosophy and Freemasonry. Thierens was an esoteric astrologer who approached astrology from a theosophical angle. The society founded by him still exists as a working community of Astrologers.