Joseph von Hagens
Joseph von Hagens (1826 in Düsseldorf – 1899 in Düsseldorf) was a German entomologist who specialised in Hymenoptera especially Apidae and Coleoptera.
He was a regional court judge in Dusseldorf.His collection of Apidae was held by the now destroyed Dominikaner-Kloster 'Trans Cedron' Venlo [1]