OCCUPATION: Heart surgeon
PREVIOUS APPEARANCES ON THE TIME 100: 0
PRO: Using technology originally intended for airplanes, the French cardiac whiz has developed a remarkably lifelike artificial heart. Although it has thus far only been tested on animals, the device could alleviate the need for heart transplants.
CON: It will be at least another two years before it's ready to test in humans.
Next Doris A. Taylor