Paul Moller is an American engineer and inventor best known for his work on the development of the Moller Skycar, a type of personal air vehicle. He founded Moller International in the 1980s, focusing on creating vehicles that could take off and land vertically, similar to a helicopter but designed for personal use. Moller's innovations include the use of aerodynamics and hovercraft technology to create vehicles that aim to revolutionize personal transportation. Despite numerous prototypes and significant media attention, the Skycar has not yet entered commercial production, and Moller continues to pursue advancements in flying car technology.