A fun little rollercoaster of computing history shared in this short blog post by Graydon Hoare, looking at the lesser known Xerox Alto descendant, the PERQ.

There’s a bunch more CMU in Apple’s history, much of it via a pipeline of people from CMU to Apple’s ATG. https://en.m.wikipedia.org/wiki/Apple_Advanced_Technology_Group

Anyone here have any experience with SK8?

It was Lisp-based and shared many properties with Boxer, &c. Mikel Evins worked on Dylan and SK8, and has written about at various places on the web.