"Gottfried Kirch (German: [ˈkɪʁç]; also Kirche [ˈkɪʁçə], Kirkius; 18 December 1639 – 25 July 1710) was a German astronomer and the first ´Astronomer Royal´ in Berlin and, ...
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as such, director of the nascent Berlin Observatory." - (en.wikipedia.org 31.01.2020)