[tyingq]

More detail on changing the system while running, and a comment at the bottom from Alan Kay retelling this same story:

http://www.righto.com/2017/10/the-xerox-alto-smalltalk-and-r...

"Dealers of Lightning" also a has a chapter on Job's visit: https://www.amazon.com/Dealers-Lightning-Xerox-PARC-Computer... Try the "look inside" for "Steve Jobs Gets His Show and Tell".