One ordinary morning, Donna O'Donnell Figurski's husband, David, a professor at Columbia, did one extra chin up and their lives suddenly and irrevocably changed. An unexpected cerebral hemorrhage started a medical saga that spanned years and changed everything. The first medical opinion was devastating: "I've seen your husband's brain on my computer at home. He's in very good health. He'll make a great organ donor." But that's not what happened.