Studied history and political science; since 2013 employed in the Museum of Military History/Institute of Military History (HGM/MHI); collaboration in several exhibition projects, incl. as co-curator of travelling exhibitions; research focus Austrian military history in the "long nineteenth century" and the interwar period, and history of the HGM/MHI (currently dissertation project on the history of the k. u. k. Heeresmuseum during the First World War); since March 2020 also responsible for provenance research in the HGM/MHI.
Hanns Fischl was born in Brünn / Brno in 1883 and lived from 1893 in Vienna. In 1918 he left the Jewish community and converted to the Evangelical-Lutheran church. In 1927 he married Gertrude Theresia Gatscha, and lived with her in Vienna. They had two children.