Not a theology student

On the 10 August 1591 (os) (according to Max Caspar, 11 August according to Owen Gingerich!) Johannes Kepler graduated MA at the University of Tübingen. This is a verified undisputed historical fact, however nearly all secondary sources go on to state that he then went on to study theology, his studies being interrupted, shortly before completion, when he was appointed school teacher and district mathematicus in Graz. A post he took up on 11 April 1594. The part about the theology studies is however not true. This myth was created by historians and it would be interesting to trace who first put it out in the world and it is also interesting that nobody bothered to check this claim against the sources until Charlotte Methuen published her Kepler’s Tübingen: Stimulus to a Theological Mathematics in 1998.

Johannes Kepler Source: Wikimedia Commons

Johannes Kepler
Source: Wikimedia Commons

One reason for the lack of control is because the version with the theology studies seems so plausible. At medieval universities all student started their studies with the seven liberal arts graduating BA, in Kepler’s case in 1588 having matriculated two years earlier. Those, who stayed on at the university now intensified those studies graduating MA, essentially a teaching qualification. Those, who now wished to continue in academia had, in the normal run of events, the choice between taken a doctorate in law, medicine or theology. We know that Kepler was initially very disappointed with his appointment as a school teacher for mathematics because he would have preferred to become a Protestant pastor, so it would seem logical that because he stayed on at the university after graduating MA he must have studied theology. However appearances can be, and in this case are, deceptive. The problem is that Tübingen, or at least the Tübinger Stift in which Kepler studied was not a conventional medieval university.

A major problem that the Lutheran Protestant Church faced following the Reformation was finding enough pastors to run their churches and enough schoolteachers for their schools. In areas that converted to Protestantism the churches naturally had Catholic priest many of whom were not prepared or willing to convert and the education system, including both schools and universities, was firmly in the hands of the Catholic Church. This meant that the Lutheran Church had to build its own education system from scratch. This was the task taken on by Phillip Melanchthon, whom Luther called his Preceptor Germania – Germany’s schoolteacher – a task that he mastered brilliantly.

The state of Baden-Württemberg, one of the largest and most important early Protestant states gasped here the initiative, setting up a state sponsored school and university system to educate future Protestant schoolteachers and pastors. The Tübinger Stift was established in 1536 for exactly this purpose. The Dukes of Württemberg also provided stipends for gifted children of less wealthy families to enable them to attend the Stift. Kepler was the recipient of such a stipend.

Tübinger Still (left and University (right) Source: Kepler-Gesellschaft e.V.

Tübinger Still (left) and University (right)
Source: Kepler-Gesellschaft e.V.

All the students did a general course of studies, which upon completion with an MA qualified them to become either a schoolteacher or a pastor depending on the positions required to be filled, when they graduated. Allocation was also to some extent conditioned by the abilities of the individual student. Upon completion of their MAs student remained at the university receiving instruction in the various practical aspects of their future careers, teaching practice, basic theology for sermons and so forth until a suitable vacancy became available. Only a very, very small percentage of these students formally matriculated for a doctorate in theology, an unnecessary qualification for a simple pastor. Most Catholic priest of the period also did not possess a doctorate in theology. Kepler was not one of those who chose to do a doctorate in theology but was simply a participant in the general career preparation course for schoolteachers and pastor; a course for which there were no formal final exams or qualifications.

Kepler had been in this career holding pattern, so to speak, for not quite three years when the Evangelical Church authorities in Graz asked the University in Tübingen to recommend a new mathematics teacher for their school. After due consideration the university chose Kepler, who had displayed a high aptitude for mathematics, for the position. After some hesitation Kepler accepted the posting. He could have refused but it would not have placed him as a stipendiary in a very good position with the authorities. He was also free to leave the system and return to civil life but this would have meant having to reimburse his stipend.

It was clear from the beginning of his studies that he could, or would, be appointed either a schoolteacher or a pastor but the young Johannes had set his heart on serving his God as a pastor and was thus initially deeply disappointed by his appointment. The turning point came in Graz when he realised, in a moment of revelation, that he could best serve his God, a geometrical creator, by revealing the mathematical wonders of that creation. And so he dedicated his life to being God’s geometer, a task that he fulfilled with some distinction.


Filed under History of Astronomy, History of science, Myths of Science

6 responses to “Not a theology student

  1. Hi Thony,

    It is often said that Kepler couldn’t be a pastor because he wouldn’t sign up to the Formula of Concord. What is the deal with that?

    Best wishes


    • It has nothing to do with wanting to be a pastor. As a stipendiary of the Tübinger Stift Kepler remained a bond servant of the Duke of Württemberg all of his life. When Rudolf II got deposed as Emperor by his brother in 1612 Kepler decided it was time to get out of Prague and applied to the Duke for an appointment as professor at the University of Tübingen. The religious authorities of the university who vetted Kepler’s application rejected it on the grounds of his ecumenical attitudes and his expressed doubts about the Formula of Concord.

      He then became district mathematicus in Linz, where the local Evangelical pastor refused him participation in communion on the same grounds. Kepler appealed to the religious authorities in Tübingen, who upheld the pastor’s ban.

  2. David Grellscheid

    As always very informative, thanks! Small correction: you’re about 400 years early for *Baden*-Württemberg’s existence.

  3. Pingback: After all a theology student | Wissenschaft & Fortschritt.

  4. “he could best serve his God, a geometrical creator, by revealing the mathematical wonders of that creation”

    THAT understanding is way way more prevalent in contemporary science than scientists are aware of at a sub-conscious level. They have eliminated god but they still have the creator… math. Nicely written… Something I almost never say.

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