Heinrich Luitpold Himmler (German: [ˈhaɪnʁɪç ˈluːɪtpɔlt ˈhɪmlɐ] ; 7 October 1900 – 23 May 1945) was a German Nazi politician and military leader who was the 4th Reichsführer of the Schutzstaffel (Protection Squadron; SS), a leading member of the Nazi Party, and one of the most powerful people in Nazi Germany. He is primarily known for being one of the main architects of the Holocaust. After serving in a reserve battalion during World War I without seeing combat, Himmler went on to join the Nazi Party in 1923.
https://en.wikipedia.org/wiki/Heinrich_Himmler