**Which entrepreneur is famous for challenging traditional business practices?**
Elon Musk is an entrepreneur famous for challenging traditional business practices across various industries. Founder of companies like Tesla and SpaceX, Musk is renowned for disrupting the automotive and aerospace sectors. He advocates for sustainable energy and aims to revolutionize how we travel, both on Earth and in space. Musk's approach combines innovative technology with bold, sometimes controversial, business strategies that push the boundaries of what is considered possible. His commitment to creating a future with electric vehicles and interplanetary travel highlights his role as a visionary who frequently defies conventional norms in business.