$ Margaret Hamilton

1936–
Software engineering leader

Led Apollo Guidance Computer software; coined “software engineering”; rigorous reliability practices.

apolloreliabilitysystems

$ contributions

  • Directed on‑board flight software development for the Apollo Guidance Computer (AGC) at MIT IL
  • Engineered priority scheduling and asynchronous error detection/recovery to maintain real‑time guarantees
  • Designed alarm handling that enabled Apollo 11 to land safely despite 1201/1202 overloads
  • Coined and championed “software engineering” as a rigorous engineering discipline
  • Institutionalized fault‑tolerant design, human‑in‑the‑loop safeguards, and comprehensive simulation/testing

$ awards

  • NASA Exceptional Space Act Award (2003)
  • Presidential Medal of Freedom (2016)
“There was no second chance. We all knew that.”