https://www.youtube.com/watch?v=ua9QEKffpdE
Things I found interesting:
Ken is both curious, driven, and simultaneously
not motivated by competition.
When trying to port nascent Unix to new hardware, he says he
failed three times. He and Dennis Ritchie were trying to move his
operating system into a high level language and onto
new hardware.
Knowing when to declare failure and try again with a different approach
-- is probably a very valuable skill.