what categories were affiliated with the laureates listed?
physiology or medicine, physiology or medicine, chemistry, physics, nobel peace prize, physiology or medicine, physiology or medicine, economics, chemistry, physiology or medicine, physics, physiology or medicine, economics, physiology or medicine, physiology or medicine, chemistry, chemistry, chemistry, chemistry, physics, chemistry, economics, economics, physiology or medicine, physics, economics, chemistry, economics
which person won a nobel peace prize?
martin luther king, jr.