RIP Margaret Hamilton, whose code saved the Apollo 11 Moon landing
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Jennifer Ouellette
• October 8, 2026
Margaret Hamilton, who coined the term "software engineering" and led flight software development for NASA’s Apollo program in the 1960s, died last week at age 90. Olivier de Weck, interim head of the MIT Department of Aeronautics and Astronautics, called her a pioneer ahead of her time who developed advanced code to help create one of humanity’s most complex systems. Born in 1936 in Paoli, Indiana, Hamilton graduated from Earlham College in 1958 with a mathematics degree and a minor in philosophy. She later worked for MIT mathematician Edward Lorenz, teaching herself programming when computers were still a novelty.