Murray Rothbard(1926-1995), was an American economist and political theorist, who founded the Mises Institute. Rothbard discussed quite in depth the idea of self-ownership, and defended it greatly. How does Rothbard defend the idea of self-ownership?
He believed quite strongly that 100% self-ownership is the only defensible philosophical idea. He showed and explained three alternative examples which he used to explain the reason why he was defending the concept of self-ownership, that it truly was the only defensible philosophical idea. In short, this was how Rothbard defended the idea of self-ownership.