Gottfried Kirch

Gottfried Kirch (Kirche, Kirkius) (December 18, 1639—July 25, 1710) was a German astronomer. The son of a shoemaker in Guben, Saxonia, Kirch first worked as a calendar-maker in Saxonia and Franconia. He began to learn astronomy in Jena, and studied under Hevelius in Danzig. In Danzig in 1667, Kirch published calendars and built several telescopes and instruments.
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