I have vague memories of one in 1135 or 1138. Could just be thinking of the Symbolics poster by Bart's desk, though, the one advertising Emacs's "over 400 easy to use commands". -rob On Wed, May 20, 2020 at 1:30 PM Doug McIlroy wrote: > >> I don't recall any use of Chaos in 1127. Possibly one of > >> the nearby groups who also used the Research system needed > >> it at some point > > > Speculating wildly, maybe there was a Lisp machine somewhere? > > None that I can remember. > > Doug >