Robert Schmidt Discusses the Inventor of Western Astrology

Posted by Eric F Coppolino


Tonight we have something that’s got a touch of history to it: an interview with Robert Schmidt of Project Hindsight, who in July 2016 announced that he had discovered the inventor of Greek astrology, which means Western astrology.

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As Eric mentioned earlier, he’s taking a well-earned break from recording Planet Waves FM this week. Thanks to all of you who’ve sent kind wishes and comments — they are much appreciated. Today, we’d like to offer you another chance to listen to this enlightening interview with Robert Schmidt from July last year.

Tonight we have something that’s got a touch of history to it: an interview with Robert Schmidt of Project Hindsight, who in July 2016 announced that he had discovered the inventor of Greek astrology, which means Western astrology.


Robert Schmidt in 2006 at the Baltimore NCGR convention. File photo.

From its beginnings in 1993, Project Hindsight tasked itself with the translation of ancient astrological texts, so that astrologers would have them to use and learn from.

Up to that point, the translations were nonexistent or poorly done, and the origins of Western astrology were hazy.

Eventually as his collaborators Robert Hand and Robert Zoller went in their own directions, Hindsight under Schmidt’s leadership stuck exclusively to Greek astrology, starting with documents from the 4th century BCE.

Those include something called the Thema Mundi, which we discuss in the interview. Images of that have been added below.

Through extensive reading and translation of the literature, Schmidt deduced that there were both founders and a founding era, and his research all points to a Greek mathematician and astronomer named Eudoxus of Cnidus (c. 390 – c. 337 BCE) as the leading founder.


The original Thema Mundi, by Eudoxus of Cnidus. This addresses the domicile rulers (sign rulers) of the first seven signs. The additional sign rulers are implied; they are left out of the document.


Here is an expanded Thema Mundi per Robert Schmidt, with the additional domicile rulers in red. The exaltations of the planets, by sign, are in green. The joys of the planets, which apply to houses, not to signs, are in blue.

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7 thoughts on “Robert Schmidt Discusses the Inventor of Western Astrology

  1. Pingback: The Astrology of August, and Why I Got Out of Politics - Planet Waves FM

  2. Amy Elliott

    I just had the immense pleasure of listening to the first half of this incredible interview. It’s a joy not to be missed by anyone interested in astrology. I scribbled furiously too – about three pages of notes.

    Schmidt’s theory makes perfect sense to me. It’s well known that the Greeks (and the Pythagorean contingent especially) were big fans of making order out of apparent chaos in their philosophy. Plato is an example of how Greek ideas were both theoretical and highly structured.

    One question I would put is to what extent the Babylonians are felt to have contributed to the basic framework of astrology, in spite of the fact that they used it mostly on an empirical basis. If I understand correctly, they did use the 12-sign system; further, their mathematics were responsible for providing us with the 360-degree division of the circle and the use of base-12 and base-60. I wonder, therefore, whether observational techniques were the only ones prevalent in Babylon, or whether it’s possible they also formed some kind of theoretical structure? It just seems odd to have complex mathematical thinking on the one hand and a thoroughly pragmatic or disorganised astrology on the other.

  3. Geoff Marsh

    I’ve always believed that astrology was based upon the time of year that you were born. Children born during winter would spend their first few months in the dark, enclosed, family environment of home, only experiencing the warmth of the great outdoors and the sun’s power at the age of six months or so. Conversely, children born during the summer months would experience love, light and warmth from the moment of their birth but would then experience a chill and darkness from the age of six months onwards. This, surely, would be a major factor contributing to psychological outlook and character.

    Thus, we would have happy Leos and introvert Aquarians and Pisceans. Of course, this does mean that the interpretation of birth-time characteristics is dependant on being born in the northern hemisphere. People born in the southern half of the globe should therefore expect to display the opposite psychological tendencies.

    It would be interesting to conduct an experiment whereby those living in the southern half of the globe considered whether they better fitted the astrological description of their opposite signs.

    It’s just a thought, but it would give credence to the concept that astrology was psychologically based on the position of the sun at birth.

  4. Geoff Marsh

    A fun find, Amy, although it’s a shame the survey is based on self-reported moods from a relatively small group of people by an author who just might have her tongue in her cheek.

    A hyperthymic temperament – a tendency to be excessively positive – is something I could use a few spoonfuls of when Aquarian angst comes a-calling, that’s for sure. Most likely to afflict spring and early summer kids, eh? A certain DJ Trump springs to mind (unfortunately).

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