Introduction Tu Youyou is the woman who saved millions of lives—yet few knew her name until she won the Nobel Prize. A Chinese pharmaceutical chemist with no medical degree, no PhD, and no international training, she cracked one of medicine’s toughest puzzles: a cure for malaria. Her discovery of artemisinin (from sweet wormwood) has prevented millions of deaths, making her one of the most important scientists of our time. This is the story of how a quiet, determined woman changed global medicine forever. Early Life & Background Born on December 30, 1930, in Ningbo, China, Tu grew…