Fritz Buntrock (8 March 1909 – 24 January 1948) was a German war criminal and SS-Unterscharführer (the SS equivalent to a corporal) serving at Auschwitz concentration camp during the Holocaust in occupied Poland. He was prosecuted at the first Auschwitz trial. Due to his brutal treatment of prisoners he was nicknamed "Bulldog" in the camp. Buntrock supervised the gas chambers. Buntrock was tried by the Supreme National Tribunal in Kraków and sentenced to death. He was hanged in Montelupich Prison on 24 January 1948. References 1909 births 1948 deaths Auschwitz concentration camp personnel Auschwitz trial executions Military personnel from Osnabrück Executed people from Lower Saxony Romani genocide perpetrators Waffen-SS personnel German people convicted of crimes against humanity Executed mass murderers