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.
Helmut Gröttrup Helmut Gröttrup (12 February 1916 – 5 July 1981) was a German engineer and rocket scientist. He was a manager for Wernher von Braun in the V-2 rocket program. During 1940, he was program manager for remote guidance and control at Peenemünde Army Research Center. In December 1940, he was made department head at Peenemünde Army Research Center under Ernst Steinhoff.