Career
Forster began his service in the late 1930s at Sachsenhausen concentration camp. From May 1940 to August 1942 Forster was Schutzhaftlagerführer in KZ Sachsenhausen. Then Forster worked as a Lagerführer from late 1942 to mid-1943 at KZ Drütte, a subcamp of Neuengamme concentration camp.
Subsequently, Forster was Lagerführer at the Schaluen subcamp of the Kovno Ghetto.
From January 1944 to July 1944, Forster was Schutzhaftlagerführer at Mittelbau-Dora concentration camp. From the end of July 1944 to September 1944 he was Lagerleiter at Kaufering concentration camp.
Then he was Lagerführer in the Flossenbürg satellite camp of Hersbruck until December 1944. Due to military disobedience, he was then allegedly transferred to a Waffen-Steamship division until the end of the war.
After the war, Forster went underground and lived under the pseudonym Hans Reich undetected in Hessen.
Forster alias Reich died in October 1955 near Hanau due to a bicycle accident.