medical studies in Halle in 1853,then assistant of Donders in Utrecht & of Albrecht v.Graefe in Berlin
Germany
Hermann von Helmholtz ; Albrecht von Graefe ; for his own Ophthalmoscopic Atlas (Paris 1863, engl. 1870, with 57 color plates) ; R. Liebreich: Eine neue Methode der Cataract-Extraction (1872) ; School life in its influence on sight and figure (1877) ;
coloured anatomical and ophthalmological drawing for engraving ; chromolithography ; portrait painting ;