Before they were legends, they were simply Wilbur and Orville. Two quiet brothers from Ohio with a bicycle shop and an audacious dream. With no college education or financial backing, they relied on sheer genius and tireless grit to solve a puzzle that had stumped mankind for centuries. Master historian David McCullough reveals the definitive human story behind the invention of the airplane—a tale of soaring hopes, crushing failures, and the profound family bond that ultimately gave the world its wings.