Robert Hagen

Robert Hagen (born September 15, 1815 in Königsberg i. Pr. , † August 19, 1858 in Berlin ) was a German chemist , mineralogist and high school teacher .

Life

Robert Hagen came from the famous Königsberg scholar family Hagen . His grandfather was the universal scholar, founder of the scientific pharmacy Karl Gottfried Hagen , his father Carl Heinrich Hagen . All his life he was in close contact with his brothers, the entomologist Hermann August Hagen and the Berlin city treasurer, Reichstag deputy Adolf Hermann Wilhelm Hagen . Robert Hagen attended the Kneiphöfische Gymnasium and studied natural sciences at the Albertus University in Königsberg from 1833 . In the sheets of memory (Schmiedeberg) a student portrait watercolor of him has been preserved. Among his teachers were Franz Ernst Neumann , Ludwig Moser and Albert Dulk . With his inclination to chemistry , he moved to the Friedrich-Wilhelms-Universität Berlin in 1836 to listen to Heinrich Gustav Magnus , Heinrich Rose and Christian Samuel Weiss . In 1839 he was promoted to Dr. phil. PhD . He went to the University of Giessen and worked for Justus Liebig . After research trips through Germany and France and half a year at the École polytechnique in Paris , he found a permanent and suitable job at the Köllnisches Realgymnasium in Berlin in 1842 . In addition, he worked for the Physical Society in Berlin and the State Economics College . He died of a heart attack at the age of 43.

Wikisource: Robert Hagen - Sources and full texts

personal data
SURNAME	Hagen, Robert
ALTERNATIVE NAMES	Hagen, Hermann Heinrich Robert (full name)
BRIEF DESCRIPTION	German chemist, mineralogist and high school teacher
DATE OF BIRTH	September 15, 1815
PLACE OF BIRTH	Koenigsberg i. Pr.
DATE OF DEATH	August 19, 1858
Place of death	Berlin