Ernst Stuhlinger developed which kinds of systems with the man who invented the V-2 rocket?
Ernst Stuhlinger Ernst Stuhlinger (December 19, 1913 Niederrimbach, Germany – May 25, 2008) was a German-born American atomic, electrical, and rocket scientist. After being brought to the United States as part of Operation Paperclip, he developed guidance systems with Wernher von Braun's team for the US Army, and later was a scientist with NASA. He was also instrumental in the development of the ion engine for long-endurance space flight, and a wide variety of scientific experiments.
Fritz von Opel Fritz Adam Hermann von Opel (before 1918 Opel) (4 May 1899 – 8 April 1971), was the only child of Wilhelm von Opel and a grandson of Adam Opel, founder of the Opel company. He is remembered mostly for his spectacular demonstrations of rocket propulsion that earned him the nickname "Rocket Fritz".