Margaret Hamilton (born August 17, 1936) is an American computer scientist, systems engineer and business owner. Between 1961 and 1963, she began to study software reliability while she was working at the US SAGE air defense system. She developed on-board flight software for NASA’s Apollo space program as director of the Software Engineering Division of the MIT Instrumentation Laboratory. After Hamilton and her team completed the program, the code was sent to another company, called Raytheon, where technicians called the Little Old Ladies or “LOL” actually hardwired the code by threading copper wire through magnetic rings. Each system could store more than 12,000 words, represented by the copper wires.
Click here to download instructions for a fun “LOL” Coding Craft.