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What role did Johannes Kepler have in Graz, Austria?
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Johannes Kepler
Johannes Kepler, engraving by N. Dietz.
In 1594, Johannes Kepler began his tenure as a professor of mathematics at the Protestant seminary located in Graz, Austria. During his time in this position, he also served as the district mathematician and calendar maker. It was while teaching a class in Graz in 1595 that Kepler experienced a moment of intellectual illumination, leading him to develop the theories regarding planetary orbits and polyhedrons that he would later publish in his first work, Mysterium cosmographicum.1