Hermann August Hagen
Hermann August Hagen (* May 30, 1817 in Königsberg i.Pr.; † November 9, 1893 in Cambridge (Massachusetts ), USA ) was a German physician, zoologist and entomologist. At Harvard University, he became the first professor of entomology at an American university.
Life
Hagen comes from the Konigsberg family of scholars Hagen. He is the son of the economist Carl Heinrich Hagen, grandson of Karl Gottfried Hagen, the last universal scholar at the Albertus University of Königsberg, and nephew of Ernst August Hagen, the first professor of art history and aesthetics in the Kingdom of Prussia.
After graduation in 1836 Hagen studied at his father's request medicine in Königsberg. Later he built Zoology with studying in Berlin, Vienna and Paris. After the medical state examination in Königsberg he was here a few years as an assistant at the University Surgical Clinic, eventually working as a general practitioner. In 1840 he received a doctorate in phil ..
About a lecture he had held before the Physico- economic Society on March 19, 1852 under the title of life of termites, the Russian entomologist Charles Robert Osten-Sacken became aware of him. After the publication of the two-volume Bibliotheca Entomologica (1862 ) recommended Osten-Sacken Hagen at the University of Cambridge / Massachusetts. At the instigation of Louis Agassiz in 1867 he received the call there and initially worked as a curator of the Museum of Comparative Zoology at Harvard University, where he became the famous collection of insects. He soon acquired such a reputation that people like the later Professor John Henry Comstock (1849-1931) were among his pupils. In 1870, he became the first professor of entomology at an American university at Harvard.
He specialized in lacewings and dragonflies. In 1845 he began working with Edmond de Sélys Longchamps, what then 1850 in the European synthesis Great work culminated Revue des Odonates. Hagen also supported Selys ' work, which meant that Selys is mentioned in the catalog of William Forsell Kirby as a describer of some species, which are actually already due to Hagen. Its brought from Kaliningrad amber collection with organic inclusions still forms the core of the major Inklusensammlung this museum. Some of the terms used by Hagen terms were not defined properly. This was fixed in 1857 by the Irish entomologist Alexander Henry Haliday.
Hagen was influenced by his grandfather, Karl Gottfried Hagen, who, after he had delivered 1816 Hofapotheke to his son Johann Friedrich, moved into the brick road at the castle church square. In the " Auditorium " in which K.G. Hagen had set up its amber and herbarium collection, there was also an entomological collection. The insects had himself trapped and stored in a self -made glass box Hagen. This collection was fascinated by the 10 -year-old Hermann August so much that he decided early on to be a zoologist. This entomological collection Karl Gottfried Hagen is likely to be later become the basis for that of Hermann August Hagen, on his Bibliotheca Entomologica 1862 was based. He married Elise Johanna Marie Gerhards (July 18, 1832 - August 17, 1917 ). The marriage remained childless. Contact rain he held with his five brothers, especially with Adolf Hermann Wilhelm Hagen, city council, treasurer and liberal politician. Hermann August Hagen's wife moved after the death of your husband's back to Königsberg. Before his death, Hagen suffered from a peripheral nerve disorders. He was Buried at the University of Mount Auburn Cemetery in Cambridge (Massachusetts ).
Honors and Dedikationsnamen
Hagen was a member of the Physikalisch -economic society in Königsberg, the " American Academy of Arts and Sciences ," the " American Philosophical Society " and the " American Society of Entomology ". He founded the " Cambridge Entomological Club". In 1863 he received an honorary doctorate from the Albertus University of Königsberg.
1860 named the Austrian entomologist Friedrich Moritz Brauer the Schnabelfliegenart Hagens mosquito adhesion ( Bittacus hageni ) in honor of Hermann August Hagen, 1863, the American Kleinlibellenart Enallagma hageni of Benjamin Walsh was then named after him.