arrest by a German policeman on 12 November 1959 Heyde completed his  Abitur  in 1920. From 1922-1925, he studied medicine in  Berlin ,  Freiburg ,  Marburg  and  Würzburg  and after short placements at the General Hospital in  Cottbus  and the sanatorium Berlin-Wittenau became assistant doctor at the  Universitätsnervenklinik (university psychiatric hospital)