The legendary Jim Butterfield needs to be remembered in connection with the KIM.

He wrote the “The First Book of KIM” and it kickstarted his career within the 6502/6510 microprocessor family namely Commodore.

He is such an awesome role model to this day in explaining complex concepts to the average people that made them hungry for more.

Search him on YouTube, you will want to start BASIC on C64 the moment you watch him unpacking a C64 and plugin it in to show how easy it is to write BASIC programs for fun.