Between 1932 and 1935 he undertook an apprenticeship in the book trade , in which he subsequently worked .
Gustav Siemon was born into a working - class family in a small town near Kassel during the closing months of the war .
Between 1932 and 1935 Gustav Siemon undertook an apprenticeship in the book trade , in which Gustav Siemon subsequently worked .
Gustav Siemon was born into a working - class family in a small town near Kassel during the closing months of the war .