Curt Eisner (April 28, 1890 in Zabrze – December 30, 1981 in The Hague) was a German entomologist who specialised in snow butterflies or Parnassinae.
His collections of Parnassinae are in Naturalis, in Leiden, and his Ornithoptera and Morphidae are in the Museum für Naturkunde in Berlin.
Author: Robert Nash <robert.nash at magni.org.uk> ( http://en.wikipedia.org/wiki/User:Notafly ) Source: Photo taken in Den Haag, Holland in 1974 by Robert Nash (User:Notafly on whose behalf the image was uploaded ) License: CC-BY-2.5