Biography
Hans Adler
Real name: Johann Nepomuk Heinrich Adler
Austrian librettist and writer, born 13 April 1880 in Vienna, Austria, died 11 November 1957 in Vienna, Austria.Real name: Johann Nepomuk Heinrich Adler
Austrian librettist and writer, born 13 April 1880 in Vienna, Austria, died 11 November 1957 in Vienna, Austria.