m (→Life and Work)
Between 1700 and 1703 he had a position as assistant to [[Georg Christoph Eimmart]] at his observatory in [[Nürnberg]]. In April 1704 Wagner began his studies at the [[University of Jena]]. From 1706 to 1709 he was at the private observatory of Baron Bernhard Friedrich von Krosigk (1656–1714) [[Berlin]]; in the following years followed various posts in [[Russia]] and [[Silesia]]. From 1711 till either 1712 or 1713 he was a professor at a [[Knight academy|Ritterakademie]].
In 1716 Wagner became Observator and Member of the [[Prussian Academy of Sciences|Preußischen Akademie der Wissenschaften]]. From 1720 he was Professor for Mathematics at the Gymnasium in [[Hildburghausen]], until it was closed in 1727. On 16th. December 1722 his son Johann Friedrich Wilhelm Wagner was born in Hildburghausen.<ref>Akademie der Künste: [http://www.adk.de/de/akademie/mitglieder/mitglieder-datenbank.htm?we_objectID=22481 Johann Friedrich Wilhelm Wagner jun.]</ref> In 1730 Wagner became Professor of Architecture at the [[Preußische Akademie der Künste|Akademie der Künste]] in Berlin, and in 1735 Librarian of the Academy of Sciences. In 1740 after the death of [[Christfried Kirch]] he was named as his successor as Director of
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