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He was born in New York City to a Jewish family in 1953 (Hosch)
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Stallman began working on artificial intelligence with MIT (Hosch)
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He earned his degree from Harvard University in 1947
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He developed an AI technique of dependency-directed backtracking or otherwise known as truth maintenance.
("A Serious Bio") -
Stallman developed the first extendable text editor called Emacs (Hosch)
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His biography was published in the first edition of "The Hackers Dictionary"
("A Serious Bio") -
While announcing this movement, he also announced his intentions to start working on the GNU operating system
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He left MIT to pursue this project and its development
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He concluded his work at MIT
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(Hosch)
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This no-stings-attached money allowed Stallman to continue to develop GNU and write many utilities for the project
("A Serious Bio") -
He returned to MIT and acted as a visiting scientist
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(Hosch)
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Stallman once again resigns from the university and no longer acts as a visiting scientist
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(Hosch)