Here are a few 90s videos with/about Kai Krause that I feel captured the zeitgeist of the time:
Kai Krause Interview (1996): https://www.youtube.com/watch?v=U0Qie-kP3Lk
KPT Bryce 1.0 with John Dvorak and Kai Krause: https://www.youtube.com/watch?v=MY8GPU5osx4
"The Program": https://youtu.be/ZGLjPYgs8bg
Kai Krause at TED8: https://www.youtube.com/watch?v=z0rw2LGHnCA
His website is worth a visit, too: http://kai.sub.blue/