Margaret Hamilton, NASA Apollo 11 Software Pioneer, Dies at 90

Margaret Hamilton, the computer scientist whose groundbreaking software helped NASA land astronauts on the moon, has died at the age of 90.

Hamilton pioneered software engineering and led the Massachusetts Institute of Technology (MIT) team that developed the onboard software for NASA’s Apollo program.

MIT, Hamilton’s former employer, confirmed that she died on September 30. The university described her as a software engineer before the field became mainstream and said it was “no exaggeration to say that Hamilton was a pioneer” who was ahead of her time.

Margaret Hamilton’s role in the Apollo 11 moon landing

Hamilton worked at MIT from 1959 to the mid-1970s, where she managed the software engineering department. Her team wrote and tested the onboard software for NASA’s Apollo 11 mission, which safely carried US astronauts Neil Armstrong and Buzz Aldrin to the moon.

“I was attracted to both the purity of the idea and the fact that it had never been done before. I was the first programmer to come in and the first woman they hired,” Hamilton told The Guardian in 2019.

Just before the historic Apollo 11 moon landing in 1969, the spacecraft’s onboard computer alerted astronauts to an error. The warning indicated that the computer was overloaded, briefly raising concerns that the complex landing might not be completed.

Hamilton and her team had planned for such a failure. According to MIT, they designed “priority-driven software” that shut down background tasks and prioritized the essential moon-landing operations.

Presidential Medal of Freedom recognition

In 2016, Hamilton’s life’s work was recognized by President Barack Obama, who awarded her the Presidential Medal of Freedom for her contributions to science and space travel.

Early life and education

Hamilton was born in Indiana in 1936. She studied mathematics at the University of Michigan in 1955 before moving to Earlham College, where she earned a bachelor’s degree in mathematics in 1958. A year later, she moved to Boston, Massachusetts, with her husband to pursue a law degree.

Earlham College shared a statement on social media expressing sadness at her death and gratitude for the opportunity to honor her extraordinary accomplishments.

“Her pioneering spirit and remarkable accomplishments will continue to inspire the Earlham family for generations to come,” the statement said.

According to MIT, Hamilton is survived by a daughter, son-in-law, two grandchildren and four great-grandchildren.