Heinrich Luitpold Himmler was a German politician who was the 4th Reichsführer of the Schutzstaffel, a leading member of the Nazi Party of Germany, and one of the most powerful men in Nazi Germany, primarily known for being a main architect of the Holocaust.

Reichsführer-SS was a special title and rank that existed between the years of 1925 and 1945 for the commander of the Schutzstaffel (SS). Reichsführer-SS was a title from 1925 to 1933, and from 1934 to 1945 it was the highest rank of the SS. The longest-serving and most noteworthy office holder was Heinrich Himmler.