@screwlisp Thought you would be interested in this.
On the ex-Symbolics employees mailing list somebody posted a link to a "history of the Lisp machine".
https://youtu.be/sV7C6Ezl35A?si=S4uh4-JXKC2_7lOR
It's kind of long and so I didn't watch the whole thing, but just skipped around a little bit. Somebody else who did watch it said,
'Fascinating exposition. Given his mispronunciations of "CADR" and "Macsyma", it's clear that he wasn't in the room where it happened, nor spoke to anyone who was. But I can't quarrel with his research or cause-and-effect analysis of both the industry as a whole and Symbolics in particular.'