[Himmler inspecting a concentration camp.] Not only was Heinrich Himmler important to the Nazi;s for his ability to persuade Hitler and his brilliant ideas, Himmler was also in charge of all death camps and concentration camps. Soon after Hitler was appointed chancellor in January 1933, the first concentration camp was organized and developed by Heinrich. He was known for having really well organizational skills and was able to pick highly competent subordinates such as Reinhard Heydrich who was the main architect for the concentration camps. This is why Hitler and Nazi Germany needed him. Two years after the invasion of Poland, Himmler, Heydrich, Hitler, and other high ranking Nazis come the the decision to physically annihilate the Jews of Europe. This is meant either by the camps, miltary, or by themselves.