As far as I know, one of the most widely reproduced photos in the software sciences.
A bit of context, though. Colossus (command module) and Luminary (lunar module) software loads were around 40,000 lines of code each. Each of those individual binders represents a single version of the software for one spacecraft type. It's not like the entire stack ran on each mission. As expected, the software was improved continually and customized at times for each mission. The version numbers are purely sequential, so we speak of Luminary 99 as the version running on LM-5,
Eagle.
As far as I'm concerned, her contribution to the field cannot be overestimated. Nor that of the other Margaret Hamilton to her profession.
And as long as we're calling out the notable contributions of women to the Apollo program, here's Frances "Poppy" Northcutt.
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Among her many contributions, she and her team wrote
ad hoc computer code at MCC to compute the emergency return maneuvers for Apollo 13, for which they collectively were awarded the Presidential Medal of Freedom.