Hans Kammler Military person
General Dr.-Ing. Hans (Heinz) Friedrich Karl Franz Kammler (born 26 August 1901; date of death unknown) was a German civil engineer and high-ranking officer of the Schutzstaffel (SS). He oversaw SS construction projects, and towards the end of World War II was put in charge of the V-2 missile and jet programmes. He was the last SS officer in Nazi Germany to receive a promotion to the rank of SS-Obergruppenführer with date of rank from 1 March 1945.He is most commonly referred to as Hans Kammler.
Hans Kammler on Wikipedia