He began in 1889 .
He became an assistant to surgeon Eduard Albert ( 1841 - 1900 ) in Vienna , two years later serving at the Vienna General Hospital under the guidance of Leopold von Dittel ( 1815 - 1898 ) .
Beginning in 1889 , he became an assistant to surgeon Eduard Albert ( 1841 - 1900 ) in Vienna , two years later serving at the Vienna General Hospital under the guidance of Leopold von Dittel ( 1815 - 1898 ) .