Memorial Plaque Biological Experiment Station Vivarium

On 12 June 2015, a commemorative plaque was unveiled at the former site of the Biological Research Institute in the Viennese Prater, on Hauptallee 1, by Kulturstadtrat Andreas Mailath-Pokorny and Anton Zeilinger, President of the Austrian Academy of Sciences, in memory of the Biological Research Institute Vivarium and its directors Leopold von Portheim, Wilhelm Figdor, and Hans Przibram. Przibram and Portheim were affected by the antisemitic policies of the Nazi regime. Hans Przibram died in the Theresienstadt Ghetto.