On February 20, 1962, the United States successfully sent an astronaut into orbit. The five-hour, 66,000-mile spaceflight turned pilot John Glenn into national hero. However, in the movie “Hidden Figures” we learn about the work of three brilliant African-American women who’s enormous—but largely anonymous—contributions ensured the success of Glenn’s flight. They are unsung heroes of the American space program. Think of headwaters as the unsung heroes of our Great Waters. Wh