Robert S. Langer is heralded as one of the most prolific inventors in the history of medicine, the father of controlled drug release and tissue engineering. His research laboratory at MIT is the largest biomedical engineering lab in the world, maintaining about $10 million in annual grants and over 100 researchers. His discoveries have saved countless lives and launched a $20 billion-a-year industry. Every year, 6,200 Americans die awaiting transplants of organs like the liver, heart and lung, but Robert Langer is creating a future where spare organs can be grown in the laboratory. IN...