Margaret Hamilton obit at the NY Times.
Mentions the incident during the Apollo 11 landing when Buzz Aldrin flipped a switch, that caused a CPU overload. The software survived because Hamilton had anticipated and simulated such a scenario and had added logic to prioritize essential tasks over others.
Paul Curto, who nominated Hamilton for a NASA Space Act Award, called Hamilton's work "the foundation for ultra-reliable software design."
https://www.nytimes.com/2026/10/07/obituaries/margaret-hamilton-dead.html
https://archive.ph/kD3F4
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