Hermann August Hagen
Hermann August Hagen; Hagen; Herman A. Hagen; Herrman August Hagen; Herrman A. Hagen; Herrman Hagen
May 30, 1817 – November 09, 1893
entomologist, zoologist, university teacher
German entomologist (1817–1893)
http://www.wikidata.org/entity/Q73531
https://en.wikipedia.org/wiki/Hermann_August_Hagen [View]
Kingdom of Prussia United States
Has collected specimens later identified by:
Collected Cyprinidae and identified Cyprinidae