Which of the following was not an early notable figure in aerospace history?

Galileo Galilei is recognized for his foundational contributions to the scientific revolution, particularly in the fields of physics and astronomy, as well as for developing the scientific method. While his work laid the groundwork for future advancements in science, including space exploration, he did not actively participate in the field of aerospace or rocketry in the way that the other figures did.

Wernher Von Braun was instrumental in developing rocket technology during and after World War II, leading to significant advancements in space travel. Herman Oberth is considered one of the founding fathers of modern rocketry, advocating for the use of rockets to reach space. Alan Shepard made history as one of the first astronauts, participating in America’s early space program. Each of these individuals played a direct and significant role in the development of aerospace technology and exploration, distinguishing them from Galileo.