Few people remember that Benjamin Franklin was America’s wealthiest self-made man. After being denied a formal education and then indentured to his own brother, he launched America's first media empire. But while Franklin could be a ruthless businessman, he was out for more than himself—he knew his success was predicated on a strong middle class, a new, American idea. So he started civic ventures like fire departments, street sweepers, and public libraries. But it wasn't until he became a postmaster that he realized why the colonies needed to band together as a nation.