A Little Girl Saved a Billionaire’s Life — Minutes Later, He Discovered She Was the Daughter He Never Knew He Had. It happened on a blistering Dallas afternoon. Nathan Carter — once hailed as a tech prodigy, the genius behind Carter Innovations — lay collapsed on the sidewalk as the world rushed by. No one stopped. Some thought he was drunk. Others didn’t care. None of them realized the man gasping for air was a billionaire — the same one who had just lost $50 million in a single deal, whose mot