Liquid-fuelled rocket engine design has largely followed a simple template since the development of the German V-2 rocket in the middle ... around campfires. A diagram of the JAXA rotating ...
Walter Dornberger (Bundesarchiv, Bild 146-1980-009-33 / CC-BY-SA 3.0) This is the world in which V-2, written by the head of the German rocket development program Walter Dornberger, takes place.