Back in 1989, I slept on Tom Rokicki's couch while I attended that year's TUG meeting at Stanford and I got to play with the NeXT that Tom was given to develop

Back in 1989, I slept on Tom Rokicki's couch while I attended that year's TUG meeting at Stanford and I got to play with the NeXT that Tom was given to develop TeX for NeXT.¹ It was an amazing machine, especially given the era. The optical disk was slow by modern standards but seemed quite responsive back then and the system was just mind-blowing. 1. I'm not sure if this was pre- or post-release of NeXTTeX