Jacques-Étienne is a name that may refer to various historical figures or contexts, but it is often associated with Jacques-Étienne Montgolfier, one of the inventors of the hot air balloon. Born in the 18th century in France, he, along with his brother Joseph-Michel, pioneered early aviation technology, leading to the first successful manned flight in 1783. Their work laid the foundation for modern aeronautics. The Montgolfier brothers' invention sparked interest in flight and inspired future inventors and explorers. Their contributions are celebrated in the history of aviation and are often referenced in discussions about the development of ballooning and aeronautics.