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and a leading mathematician. Other focal points of his work lay in the application of mathematics in the military (artillery, fortresses), geology (mineral deposits), archeology (excavations of
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world view. He was in contact with famous scientists such as
Leibniz. From 1707 to 1737 he was Professor of Mathematics at Giessen and from 1721 until his death also Professor of Theology.
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observations during the period 1711–1721. For another observation, however, he gained no credit. On 2 December 1722, he observed a faint star in the telescope and thought he observed
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He was born the son of
Michael Liebknecht, schoolmaster, of Wasungen, and his wife, Margarethe Turckin and was educated in the
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He married twice; firstly
Catharine Elisabeth, daughter of Nikolaus Caspar Elwerten, physician, of
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and secondly Regina Sophie, daughter of Johann Just
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Liebknecht was offered a position, on the recommendation of
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Liebknecht was a keen astronomer. He made some of the rare
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195:near Giessen), fossils and astronomy. Like other
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