None of those names rang a bell. I just read the entire backup tape (in file form) into an editor, and searched for "Emacs", and I found some things which indicate the version I'm thinking of was written by Warren Montgomery, of Bell Laboratories (that's what I get for relying on memory, sigh). It was apparently written in the 1980 to early-1981 timeframe. Googling 'Emacs Warren Montgomery' turns up some interesting early things, including this: http://org.ntnu.no/emacs/implementations.html https://www.finseth.com/emacs.html Perhaps you already have this content, though? OK, I will keep this in mind if/when I ever manage to read the dump. Noel