FWIW, in 1983 RMS claimed to have been the "inventor of the much-imitated EMACS editor" in his famous 1983 GNU announcement (https://www.gnu.org/gnu/initial-ann

FWIW, in 1983 RMS claimed to have been the "inventor of the much-imitated EMACS editor" in his famous 1983 GNU announcement (https://www.gnu.org/gnu/initial-announcement.en.html https://www.gnu.org/gnu/initial-announcement.en.html) (by which he meant the original Emacs, not GNU Emacs which he proceeded to work on over the next couple of years before releasing it).