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The past behind what's next.

Person

Margaret Hamilton

The engineer who led the team that wrote the Apollo flight software, and whose ideas about how software should behave when it is overwhelmed are now standard practice.

  • Revision: 1
  • Dates: 1965-01-01 (year precision)
  • Last reviewed: 2026-08-14
  • Status: Recognised with a NASA Exceptional Space Act Award

Orientation

Role: Lead of the Apollo flight software team, MIT Instrumentation Laboratory

Operator or programme: MIT Instrumentation Laboratory, for NASA

Geography: Cambridge, Massachusetts

Chronology

  1. year precisionMargaret Hamilton enters the record.

Related records

  • explained by

    What does software do when it is asked for more than it can give?

    Confidence: high · 1969-07-20 (day precision)

  • contemporary with

    Who else was writing the code that flew?

    Confidence: high · 1969-07-20 (day precision)

  • relates to

    From arithmetic by hand to software that flew.

    Confidence: high · 1955-01-01 (year precision)

  • contemporary with

    Two women on the critical path of the same mission.

    Confidence: high · 1969-07-16 (day precision)

Inspect the record1 assertion, each with its source

  • Margaret Hamilton led the team that developed the flight software for NASA's Apollo missions and was granted a NASA Exceptional Space Act Award; her concepts of asynchronous software, priority scheduling, end-to-end testing and man-in-the-loop priority displays became foundations for ultra-reliable software design.

    Source class: space agency recordNASA Science — Margaret HamiltonView the source

CorrectionsNone recorded

No corrections recordedThis record has not been corrected since it was published.