Excerpt
PROLOGUE MOST PEOPLE LIVE their lives with the full use of their body and barely scratch the surface of what their mind can do. Stephen Hawking did the opposite. When doctors told him his disease would likely take his life within two years, he laughed. Not out loud, his voice would fail him soon enough, but deep inside the gears of his brain, something turned. Something refused. His muscles gave up. His speech collapsed. His spine twisted. His hands curled. And his future, according to every medical chart, was over before it started. But he didn’t die. He stayed alive. For fifty more years. He stayed alive through marriages and divorces, children and caretakers, fame and controversy, and...