When Margaret was only 24, she started as a programmer at MIT, and eventually became lead flight software designer for the Apollo Space Mission. She and her team designed the software that made the first lunar landing possible! In the famous incident when, a few minutes before touch-down, a range of computer errors threatened the mission's success, her far-sighted programming saved the day!
➡ Learn more about Margaret on Wikipedia or find out more about Apollo 11's computer in an episode of the 13 Minutes to the Moon pocast.