b. Vienna, Feb. 26, 1867, d. Vienna, July 26, 1925. Judge and amateur photographer. Career in courts of law 1897-1913. the photos taken by him and the journalist E. Klaeger documented Vienna's miserable, overcrowded districts. Important representative of activist social documentation in Austrian photography.
Publication#Durch die Wr. Quartiere des Elends und Verbrechens, 1908.
Literature#M. Szeless, Armuts- und Elendsphotographien von H. D., master´s thesis, Vienna 1997.