Johann Gottlob Lehmann (other)
Johann Gottlob Lehmann may refer to: * Johann Gottlob Lehmann (scientist) (1719–1767), German scientist and geologist * Johann Gottlob Lehmann (classicist) Johann Gottlob Lehmann (1782–1837) was an expert in classical studies and noted director of the Gymnasium at Luckau, Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second ...

Johann Gottlob Lehmann (scientist)
Johann Gottlob Lehmann (4 August 171922 January 1767) was a German mineralogist and geologist noted for his work and research contributions to the geologic record leading to the development of stratigraphy. Life and career Lehmann was born in Langenhennersdorf, Electorate of Saxony and attended the University of Wittenberg, from which he received an M.D. in 1741, and then established a practice in Dresden. Living in Saxony, he developed an interest in the local mining industry, and published on the chemical composition of ore deposits. In 1750, the Royal Prussian Academy of Sciences commissioned him to study mining practices throughout Prussia. In 1761, the Russian Imperial Academy of Sciences invited him to Saint Petersburg, where he became professor of chemistry and director of the imperial museum there. At the Beryozovskoye deposit in the Urals he discovered a lead ore with a reddish-orange mineral (), which he named "Rotbleierz" (red lead ore); today in English its n ...
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