Julius Leopold Theodor Friedrich Zincken
German lepidopterist
Julius Leopold Theodor Friedrich Zincken or Zinken also Sommer was a German entomologist. He also appears in literature cited as Zinken-Sommers and Zinken gennant Sommers.
He was co-editor, with Ernst Friedrich Germar of Magazin der Entomologie... Wikipedia
Born: April 15, 1770, Braunschweig, Germany
Died: February 8, 1856 (age 85 years), Braunschweig, Germany