Gottfried Osann

Gottfried Wilhelm Osann ( born October 26, 1796 in Weimar, † August 10, 1866 in Würzburg ) was a German chemist and physicist.

Family

Gottfried Osann was the fifth son of weimaranischen Government Council Friedrich Heinrich Gotthelf Osann ( 1753-1803 ). His mother Caroline Amalie Friederika hoof (1766-1843), sister of Christopher William hoof married, after the early death of his father in 1815 the Minister of State Christian Gottlob von Voigt. His brother Emil Osann (1787-1842) was Professor of Medicine in Berlin, his brother Friedrich Gotthilf Osann (1794-1858) was a professor of philology at Jena and Giessen.

Life

Due to the influence of his stepfather, Christian Gottlob von Voigt, who was a friend of Johann Wolfgang von Goethe, he studied natural sciences, particularly chemistry.

He was from 1819 lecturer in physics and chemistry at the University of Erlangen, Germany, from 1821 to 1823 at the University of Jena and Erlangen in 1823. In 1823 he was appointed as professor of chemistry and pharmacy at the University of Tartu. In 1828 he became professor of chemistry and physics at the University of Würzburg.

In the years 1823-1826 he was the lover Adele Schopenhauer. To an engagement or marriage but it never came. After discussion, on 13 February 1826 parted ways. In her diary Adele Schopenhauer described the dialogue:

Even after Gottfried Osann 1827 " a beautiful young girl small object " married, familiar Adele Schopenhauer years later her brother Arthur Schopenhauer their love to:

Work

Osann published a series of influential works, including About the art of measuring the chemical elements (Tartu 1825, Jena 1830). Later writings about the chemical physics and medical optics were added.

Together with Jöns Jakob Berzelius in 1827 he was the discovery of the element ruthenium is very close. Just as later Karl Ernst Claus had not noticed them in aqua regia soluble residues of platinum ores. Osann postulated for three new elements, but could not characterize adequately because of their small amount.

He was co-founder of Physico- Medical Society of Wurzburg. He was a corresponding member of the Bavarian Academy of Sciences since 1835