Johannes Rudolf Wagner ( German: Johannes Rudolf von Wagner ; February 13, 1822 , Leipzig - October 4, 1880 , Würzburg ) is a German chemist .
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Biography
He studied chemistry at the University of Leipzig , then in Paris under the supervision of Jean-Baptiste Dumas . For several years he traveled with scientific purposes in France, Germany, Belgium and the Netherlands. In 1846-1851 assistant in the chemical laboratory of the University of Leipzig, in 1851-1856 Professor of Chemical Technology at the Nuremberg Polytechnic Institute . From 1856 until the end of his life he headed the Department of Chemical Technology at the University of Würzburg . He was also a member of the State Department for Technological Supervision of the Bavarian Kingdom . Over the past 20 years of his life, he has been a permanent jury member of the World Exhibitions. At the World Exhibition in 1873 in Vienna, he led the Bavarian delegation, for successful work he was elevated to the nobility.
Wagner owns a number of works on the chemistry of tannins , including an important article for their time on their origin and classification (1872). He is, however, best known as the compiler of the Handbook of Chemical Technology ( German: Handbuch der chemischen Technologie ; 1850), which has survived many lifetime and posthumous reprints (the 15th edition, edited by , was published in 1900 ) and translated into many languages. Russian translation of D. I. Mendeleev . [1] In addition, from 1855 to the end of his life, Wagner edited the Yearbook of the Advances in Chemical Technology ( German: Jahresbericht über die Leistungen der chemischen Technologie , from 1880 under the guidance of the same Fischer).