Wernher von Braun was a German-born aerospace engineer and space architect who played a crucial role in the development of rocket technology. Born in 1912, von Braun was instrumental in the Nazi rocket program during World War II, leading the development of the V-2 rocket. After the war, he moved to the United States and became a key figure in the American space program, working on projects such as the Saturn V rocket that took astronauts to the moon. Von Braun's scientific contributions revolutionized space exploration and solidified his legacy as one of the most influential figures in the history of rocketry.